v3.25.0.1
Leases - Additional information (Details)
$ in Thousands
 12 Months Ended
Aug. 27, 2024
USD ($)
Mar. 30, 2023
USD ($)
Dec. 31, 2024
USD ($)
item
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Leases          
Recognition of right-of-use asset     $ 53,165 $ 72,272  
Recognition of lease liability     47,548 54,442  
Impairment loss     (706)    
Right-of-use assets     129,890 126,549 $ 93,325
Revenue from sublease     $ 85,435 $ 69,082 $ 24,973
GasLog Santiago          
Leases          
Proceeds from sale and finance leaseback $ 148,220        
Lease-back bareboat charter period in years 3 years        
Recognition of right-of-use asset $ 52,310        
Recognition of lease liability $ 46,981        
GasLog Sydney          
Leases          
Proceeds from sale and finance leaseback   $ 137,188      
Lease-back bareboat charter period in years   5 years      
Recognition of right-of-use asset   $ 67,779      
Recognition of lease liability   $ 55,800      
Right-of-use assets          
Leases          
Number of vessels with indicators of impairment | item     3    
Number of vessels | item     4    
Impairment loss     $ (706)    
Increase or decrease in re-chartering rate for sensitivity analysis     5    
Decrease in impairment loss resulting from potential increase in re-chartering rate     (706)    
Increase in impairment loss resulting from potential decrease in re-chartering rate     $ 3,387    
Percentage of increase or decrease in the discount rate for sensitivity analysis     0.50%    
Increase in impairment loss due to increase in discount rate     $ 358    
Decrease in impairment loss due to decrease in discount rate     $ (364)    
Right-of-use assets | TFDE vessels          
Leases          
Number of vessels with indicators of impairment | item     2    
Number of vessels for which recoverable amount (value in use) is lower than carrying amount | item     1    
Right-of-use assets | TFDE vessels impaired during current period          
Leases          
Impairment loss     $ (706)    
Right-of-use assets     47,228    
Right-of-use assets | GasLog Sydney          
Leases          
Impairment loss     (706)    
Right-of-use assets     $ 47,228