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Assets Held for Sale (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) aircraft | Dec. 31, 2022 USD ($) aircraft
Assets Held for Sale |  |
Number of aircraft held-for-sale | aircraft |  | 14
Impairment loss of assets held for sale | $ 2,318 | $ 51,384
CRJ 700 | Held for sale |  |
Assets Held for Sale |  |
Number of aircraft held-for-sale | aircraft | 14 | 14
Assets held for sale | $ 54,300 |
Impairment loss of assets held for sale | $ 2,300 | $ 51,400

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