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Flight equipment subject to operating lease - Narrative (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2022 USD ($) | Mar. 31, 2022 USD ($) aircraft | Jun. 30, 2022 USD ($) | Aug. 04, 2022 aircraft
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |
Number of aircraft under operating lease terminated |  | 24 |  |
Number of aircraft under operating lease terminated remaining in Russia, removed from owned fleet |  | 21 |  |
Subsequent Event |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |
Number of aircraft under operating lease terminated remaining in Russia |  |  |  | 21
Flight Equipment |  |  |  |
Property, Plant, and Equipment, Lessor Asset under Operating Lease [Line Items] |  |  |  |
Write-off of Russian fleet | $ | $ 0 | $ 791,000 | $ 791,017 |

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