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Flight equipment subject to operating lease - Narrative (Details)
$ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2022
USD ($)
Mar. 31, 2022
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Dec. 31, 2020
USD ($)
Feb. 16, 2023
aircraft
Oct. 31, 2022
aircraft
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]              
Aircrafts returned from Russia | aircraft             1
Write-off of Russian fleet, net of recoveries | $ $ 30,900   $ 771,476 $ 0 $ 0    
Flight Equipment              
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]              
Write-off of russian fleet | $   $ 791,000          
Subsequent Event              
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items]              
Number of aircraft under operating lease terminated remaining in Russia | aircraft           20