| 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Open Air (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 168.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Open Air: Material (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 192.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Concrete Bridge (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 171.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Concrete Bridge: Material (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 203.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Rock Tunnel (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 164.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Road: Rock Tunnel: Material (1Q2004=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 175.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 2000 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: New Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 221.00
            
                                            Sep 2015
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1989 - Sep 2015
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 159.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Oslo and Baerum: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 154.80
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Oslo and Baerum: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 143.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Oslo and Baerum: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 158.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Oslo and Baerum: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 157.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of Akershus: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 149.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of Akershus: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 146.90
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of Akershus: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 151.90
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of Akershus: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 156.30
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Stavanger, Bergen Og Trondheim: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 187.80
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Stavanger, Bergen Og Trondheim: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 185.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Stavanger, Bergen Og Trondheim: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 176.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Stavanger, Bergen Og Trondheim: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 195.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of the Country: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 156.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of the Country: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 153.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of the Country: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Rest of the Country: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 173.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Home Owner (HO): Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 157.20
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 155.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 158.20
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Oslo and Baerum: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 151.30
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Oslo and Baerum: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 143.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Oslo and Baerum: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 157.20
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Oslo and Baerum: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 149.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of Akershus: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 148.50
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of Akershus: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 146.90
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of Akershus: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 153.90
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of Akershus: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 153.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Stavanger, Bergen Og Trondheim (SB): Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 185.20
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: SB: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 185.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: SB: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 170.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: SB: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 187.80
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of the Country: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 155.30
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of the Country: Detached Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 153.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of the Country: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HO: Rest of the Country: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1991 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: Housing Co Operative (HC): Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 171.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 171.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 172.20
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Oslo and Baerum: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Oslo and Baerum: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 165.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Oslo and Baerum: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 163.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of Akershus: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 152.00
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of Akershus: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 144.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of Akershus: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 156.80
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Stavanger, Bergen Og Trondheim (SB): Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 196.10
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: SB: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 195.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: SB: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 197.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of the Country: Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 169.40
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of the Country: Houses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 168.70
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway House Price Index: HC: Rest of the Country: Multi Dwelling (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 169.60
            
                                            Dec 2008
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Mar 1992 - Dec 2008
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Residential Buildings (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 186.70
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Wood Detached House (WD) (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 188.00
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Stone, Clay and Cement Work (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 186.60
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Stone, Clay and Cement Work: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 196.70
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Wood Works: Site Preparation (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.30
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Wood Works: Site Preparation: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 192.10
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Wood Works: Other Building Work (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 188.90
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Wood Works: Other Building Work: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 188.90
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Carpentering (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 180.90
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Carpentering: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 175.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Painting, Paperhanging and Floor Coating (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 167.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Painting, Paperhanging and Floor Coating: Ma... (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 150.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Plumbing (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 214.10
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Plumbing: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 237.70
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Electrical Installation Work (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 293.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: WD: Electrical Installation Work: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 435.40
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Multi Dwelling House (MD) (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 186.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Site Preparation (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 178.00
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Site Preparation: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 193.80
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Carpentering (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Carpentering: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 172.90
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Painting, Paperhanging and Floor Coating (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 174.10
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Painting, Paperhanging and Floor Coating: Ma... (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 157.50
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Plumbing (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 212.80
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Plumbing: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 233.70
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Electrical Installation Work (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 279.40
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: MD: Electrical Installation Work: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 432.80
            
                                            Jun 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1978 - Jun 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: Office and Commercial Buildings (OC): Plumbing (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 214.80
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Plumbing: Administrative Expenses (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.40
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Sanitary Installation (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 212.10
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Sanitary Installation: Administrative Expens... (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.40
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Sanitary Installation: Labour Cost (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 191.90
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Sanitary Installation: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 228.30
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Heating Installation (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 218.00
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Heating Installation: Administrative Expense... (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 179.40
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Heating Installation: Labour Cost (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 191.90
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Construction Cost Index: OC: Heating Installation: Material (2000=100)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 248.10
            
                                            May 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 1999 - May 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Central Government Debt: Norwegian Krone: Government Bonds (NOK mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 401,000.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Dec 1965 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Central Government Debt: Norwegian Krone: Treasury Certificates (NOK mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 77,000.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Dec 1965 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Norway Central Government Debt: Norwegian Krone: Other Short Term Loan (NOK mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            quarterly
                                         | 
                                        
                                            Dec 1965 - Mar 2018
                                         |