| 
                                                
                                                
                                                    Estonia Foreign Currency Assets: ND: Others (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -37.60
            
                                            Jan 2017
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jan 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Foreign Currency Assets: ND: Others: Outflow Related to Repos (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 -37.60
            
                                            Jan 2017
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2000 - Jan 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 15,006.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Domestic (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 10,739.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Domestic: Large (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,655.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Domestic: Retail (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 8,084.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Domestic: Retail: Individuals (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,287.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Cross Border (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,266.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Cross Border: Large (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,352.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Cross Border: Retail (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,914.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Payable: Cross Border: Retail: Individuals (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 148.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Cross Border Paid In (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,900.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Cross Border Paid In: Large (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,151.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Cross Border Paid In: Retail (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,748.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 41,375.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Domestic (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 37,685.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Domestic: Large (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Domestic: Retail (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 37,684.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Domestic: Retail: Individuals (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 32,264.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Cross Border (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,690.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Cross Border: Large (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Cross Border: Retail (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3,690.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Payable: Cross Border: Retail: Individuals (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,908.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Cross Border Paid In (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,877.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Cross Border Paid In: Large (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Cross Border Paid In: Retail (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,877.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Cash (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Other Debit Order (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,171.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Oct 1998 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Cheques (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,061.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Debit (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 919.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Card Payments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 509.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Credit Orders (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 13,321.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Debit: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 319.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Debit: Cash Downpayments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 164.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Debit: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 399.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Credit (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 83.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Credit: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Credit: Cash Downpayments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Credit: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 55.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Cash (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Other Debit Order (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 127.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Oct 1998 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Cheques (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 32,375.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Debit (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 28,518.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Card Payments (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 27,665.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Credit Orders (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 13,576.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Debit: Cash Withdrawal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,867.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Debit: Cash Downpayments (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 447.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Debit: in POS Terminal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 24,160.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Credit (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,510.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Credit: Cash Withdrawal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 36.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Credit: Cash Downpayments (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 12.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Credit: in POS Terminal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,073.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Government (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,484.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Financial Institutions (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 469.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Credit Institutions (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 22.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Non Financial Corporations (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,024.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Households (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 35,371.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Vol: Unidentified (EUR th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Government (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,200.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Financial Institutions (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,000.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Credit Institutions (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 435.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Non Financial Corporations (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 8,807.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Households (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,561.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payments: Value: Unidentified (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,002.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 324.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Cash Withdrawal: Abroad (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 18.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Cash Downpayments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 168.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 455.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: in POS Terminal: Abroad (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 61.20
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 919.30
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 319.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit: Cash Withdrawal: Ab... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 17.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit: Cash Downpayments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 164.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 399.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Debit: in POS Terminal: Ab... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 45.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 83.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit: Cash Withdrawal: A... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 55.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit: in POS Terminal: A... (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 15.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Residents: Credit: Cash Downpayments (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Non Residents (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 59.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Non Residents: Cash Withdrawal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 15.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Value: Non Residents: in POS Terminal (EUR mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 40.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 31,028.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Cash Withdrawal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,904.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Cash Withdrawal: Abroad (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 119.60
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Cash Downpayments (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 459.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: in POS Terminal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 26,234.00
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: in POS Terminal: Abroad (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,870.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Dec 1997 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 28,518.40
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit: Cash Withdrawal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,867.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit: Cash Withdrawal: Abro... (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 113.70
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit: Cash Downpayments (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 447.10
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit: in POS Terminal (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 24,160.80
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Debit: in POS Terminal: Abro... (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,585.90
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Estonia Payment Cards: Transaction: Vol: Residents: Credit (Unit th)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,510.50
            
                                            Mar 2018
                                         | 
                                        
                                        
                                        
                                            monthly
                                         | 
                                        
                                            Jan 2004 - Mar 2018
                                         |