| 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Guam (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Guatemala (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Guernsey (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 34.500
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Guiana, French (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Guinea (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Benin (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bermuda (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.318
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bhutan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bolivia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bonaire (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2014 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bosnia and Herzegovina (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Brazil (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 3.197
            
                                            2021
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2021
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: British Indian Ocean Territory (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.640
            
                                            2022
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2022
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Albania (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4.369
            
                                            2019
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: American Samoa (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Angola (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Argentina (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.350
            
                                            2022
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2022
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Armenia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.758
            
                                            2019
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Aruba (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Australia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.947
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Austria (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 11.628
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Azerbaijan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bahrain (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Bangladesh (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Barbados (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Belarus (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Belgium (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.350
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Kazakhstan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.472
            
                                            Jun 2022
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2022
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Kiribati (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Kuwait (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Kyrgyzstan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Laos (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.127
            
                                            Dec 2018
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2018
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Latvia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.190
            
                                            Jun 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Lesotho (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: United States (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 215.034
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: South Sudan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2017 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Spain (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 22.022
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Sudan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Suriname (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.538
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Sweden (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 11.264
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Switzerland (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 56.575
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Syrian Arab Republic (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: US Pacific Islands (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Vietnam (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.228
            
                                            Jun 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Zambia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Seychelles (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.538
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Sierra Leone (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Sint Maarten (Dutch) (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2014 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Solomon Islands (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Somalia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.538
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Portugal (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 6.328
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Puerto Rico (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.026
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Qatar (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Reunion (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Russian Federation (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.392
            
                                            Jun 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Rwanda (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Tajikistan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Tanzania (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Timor-Leste (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Togo (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Tokelau (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Tonga (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Trinidad and Tobago (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.013
            
                                            Dec 2021
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2021
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Tunisia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 7.466
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Turkey (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.784
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Marshall Islands (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.202
            
                                            Jun 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Mauritania (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Mauritius (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.531
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Mexico (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.719
            
                                            Jun 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Micronesia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2.547
            
                                            Dec 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Iraq (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.197
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Israel (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 146.458
            
                                            Dec 2023
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Italy (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 34.046
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Ivory Coast (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.014
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Japan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.442
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Jersey (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 5.569
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2004 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Monaco (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.014
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Mongolia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Morocco (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.266
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Myanmar (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Namibia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Nauru (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.128
            
                                            Dec 2019
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2005 - Dec 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1,772.450
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Debt Securities: Short-term (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 215.230
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Liabilities: Debt Securities: Long-term (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 4,781.720
            
                                            Dec 2017
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 2017 - Dec 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Liabilities: Derived (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 2,602.196
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 1997 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Liabilities: Debt Securities: Derived (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 926.578
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 1997 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Liabilities: Debt Securities: Short-term: Der... (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.643
            
                                            Jun 2024
                                         | 
                                        
                                        
                                        
                                            semiannually
                                         | 
                                        
                                            Dec 1997 - Jun 2024
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Others (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 145.185
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Uganda (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.590
            
                                            2019
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2019
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Ukraine (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 1.505
            
                                            2021
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2021
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: United Arab Emirates (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 10.188
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Turkmenistan (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: San Marino (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Saudi Arabia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.241
            
                                            2022
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2022
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Saint Kitts and Nevis (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Saint Lucia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Netherlands (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 43.937
            
                                            2023
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2004 - 2023
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: New Caledonia (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         | 
                                    
                                
                            
                                
                                    
                                        
                                            
                                            
                                            | 
                                                
                                                
                                                    Gibraltar GI: Portfolio Investment Assets: Nicaragua (USD mn)
                                                
                                             | 
                                        
                                        
                                            
                                            
                
                 0.000
            
                                            2017
                                         | 
                                        
                                        
                                        
                                            yearly
                                         | 
                                        
                                            2005 - 2017
                                         |