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Net charges related to Ukraine Conflict - Net recoveries (charges) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Net (recoveries) charges related to Ukraine Conflict | $ (13,964) | $ 0 | $ (28,072) | $ 2,728,718
(Recoveries) write-offs and impairments of flight equipment |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Net (recoveries) charges related to Ukraine Conflict | (13,000) | 0 | (15,000) | 3,176,000
Derecognition of lease-related assets and liabilities |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Net (recoveries) charges related to Ukraine Conflict | 0 | 0 | 0 | (237,000)
Letters of credit receipts and other collections |  |  |  |
Unusual or Infrequent Item, or Both [Line Items] |  |  |  |
Net (recoveries) charges related to Ukraine Conflict | $ (1,000) | $ 0 | $ (13,000) | $ (210,000)

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