v3.25.0.1
Borrowings - Terminated Facilities (Details)
$ in Thousands
12 Months Ended
Nov. 14, 2023
USD ($)
Mar. 30, 2023
USD ($)
Oct. 31, 2022
USD ($)
Sep. 14, 2022
USD ($)
Oct. 26, 2021
USD ($)
Jul. 16, 2020
USD ($)
installment
item
Oct. 16, 2015
item
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Apr. 01, 2019
USD ($)
Feb. 20, 2019
USD ($)
Apr. 26, 2018
USD ($)
Jul. 03, 2017
USD ($)
May 03, 2017
USD ($)
Borrowings                            
Amount repaid               $ 217,070 $ 168,585          
Unamortized loan fees written off to profit or loss               $ 5,831 $ 654          
Assumed October 2015 Facility                            
Borrowings                            
Number of international banks | item             14              
Assumed October 2015 Facility | GAS-eleven Ltd.                            
Borrowings                            
Debt assumed from acquired entities                           $ 151,423
Assumed October 2015 Facility | GAS-thirteen Ltd.                            
Borrowings                            
Debt assumed from acquired entities                         $ 155,005  
Assumed October 2015 Facility | GAS-fourteen Ltd.                            
Borrowings                            
Debt assumed from acquired entities                       $ 143,622    
Assumed October 2015 Facility | GAS-twelve Ltd.                            
Borrowings                            
Debt assumed from acquired entities                   $ 134,107        
Assumed October 2015 Facility | GAS-eleven, GAS-twelve, GAS-thirteen, and GAS-fourteen Ltd.                            
Borrowings                            
Amount repaid $ 320,581                          
Unamortized loan fees written off to profit or loss 3,655                          
KEXIM and K-Sure                            
Borrowings                            
Percentage of finance coverage             60.00%              
2019 GasLog Partners Facility                            
Borrowings                            
Maximum loan facility amount                     $ 450,000      
2019 GasLog Partners Facility | GAS-three Ltd.                            
Borrowings                            
Prepayment of debt         $ 97,050                  
2019 GasLog Partners Facility | GAS-five Ltd.                            
Borrowings                            
Unamortized loan fees written off to profit or loss   $ 229                        
Prepayment of debt   $ 87,780                        
2019 GasLog Partners Facility | GAS-four Ltd., GAS-sixteen Ltd. and GAS-seventeen Ltd                            
Borrowings                            
Amount repaid 148,194                          
Unamortized loan fees written off to profit or loss 157                          
GasLog Partners $260.3M Facility                            
Borrowings                            
Number of vessels refinanced | item           3                
Maximum loan facility amount           $ 260,331                
Term of debt instrument           5 years                
GasLog Partners $260.3M Facility | GAS-twenty Ltd.                            
Borrowings                            
Unamortized loan fees written off to profit or loss       $ 294                    
Prepayment of debt       $ 32,154                    
GasLog Partners $260.3M Facility | GAS-seven and GAS-eight Ltd.                            
Borrowings                            
Amount repaid 181,419                          
Unamortized loan fees written off to profit or loss 985                          
GasLog Partners $193.7M Facility                            
Borrowings                            
Number of vessels refinanced | installment           3                
Maximum loan facility amount           $ 193,713                
GasLog Partners $193.7M Facility | GAS-twenty one Ltd.                            
Borrowings                            
Unamortized loan fees written off to profit or loss     $ 360                      
Prepayment of debt     $ 32,939                      
GasLog Partners $193.7M Facility | GAS nineteen Ltd. and GAS twenty seven Ltd                            
Borrowings                            
Amount repaid 113,886                          
Unamortized loan fees written off to profit or loss $ 805