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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 |

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