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Investments - Additional Information (Details) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) aircraft engine | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments [Line Items] |  |  |
Other sales and revenue |  | $ 4,659 |
Equipment Held For Operating Lease |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Net book value | $ 2,130,327 |  | $ 2,112,837
WMES |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Ownership interest | 50.00% |  |
Number of engines in lease portfolio | engine | 40 |  |
Number of aircraft in lease portfolio | aircraft | 4 |  |
Proceeds from sale of assets |  | 22,300 |
WMES | Other Income | Asset Management |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Other sales and revenue | $ 1,400 | $ 500 |
WMES | Aircraft [Domain] |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Net book value | $ 221,100 |  |
CASC Willis |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Number of engines in lease portfolio | engine | 4 |  |
CASC Willis | Equipment Held For Operating Lease |  |  |
Schedule of Equity Method Investments [Line Items] |  |  |
Net book value | $ 39,200 |  |

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