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Flight equipment subject to operating lease - Narrative (Details) $ in Thousands | 3 Months Ended | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
Dec. 31, 2023 USD ($) aircraft | Mar. 31, 2022 USD ($) aircraft | Dec. 31, 2023 USD ($) aircraft | Dec. 31, 2022 USD ($) | Dec. 31, 2021 USD ($) | Feb. 15, 2024 aircraft | Dec. 21, 2023 aircraft | Oct. 31, 2022 aircraft
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Number of managed aircraft terminating lease |  | 8 |  |  |  |  |  |
Aircrafts returned from Russia |  |  |  |  |  |  |  | 1
Number of aircrafts subject to insurance policies | 4 |  | 4 |  |  |  |  |
Write-off of Russian fleet, net of (recoveries) | $ |  |  | $ (67,022) | $ 771,476 | $ 0 |  |  |
Airbus A320-200 |  |  |  |  |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Number of aircrafts subject to insurance policies |  |  |  |  |  |  | 3 |
Airbus A321-200 |  |  |  |  |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Number of aircrafts subject to insurance policies |  |  |  |  |  |  | 1 |
Airbus A321-200neo |  |  |  |  |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Number of aircrafts not subject to insurance policies |  |  |  |  |  |  | 5 |
Flight Equipment |  |  |  |  |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Write-off of russian fleet | $ |  | $ 791,000 |  |  |  |  |  |
Insurance settlement gain (loss) | $ | $ 64,700 |  |  |  |  |  |  |
Write-off of Russian fleet, net of (recoveries) | $ |  |  |  | $ 771,500 |  |  |  |
Subsequent Event |  |  |  |  |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |  |  |  |  |
Number of aircraft under operating lease terminated remaining in Russia |  |  |  |  |  | 16 |  |

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