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Investments - Additional Information (Details) $ in Thousands | 12 Months Ended
--- | ---
Dec. 31, 2022 USD ($) engine aircraft asset | Dec. 31, 2021 USD ($) engine asset
Schedule of Equity Method Investments [Line Items] |  |
ROU assets | $ 11,382 | $ 6,067
Total lease liabilities | 10,365 | 5,206
Equipment Held For Operating Lease |  |
Schedule of Equity Method Investments [Line Items] |  |
Net book value | $ 2,111,935 | $ 1,991,368
WMES |  |
Schedule of Equity Method Investments [Line Items] |  |
Ownership interest | 50.00% |
Number of engines in lease portfolio | engine | 35 |
Number of aircraft in lease portfolio | aircraft | 5 |
Number of assets sold | engine | 2 | 2
Proceeds from sale of assets | $ 12,600 | $ 25,000
WMES | Equipment Held For Operating Lease |  |
Schedule of Equity Method Investments [Line Items] |  |
Net book value | $ 255,500 |
CASC Willis |  |
Schedule of Equity Method Investments [Line Items] |  |
Ownership interest | 50.00% |
Number of engines in lease portfolio | engine | 4 |
Number of assets sold | asset | 0 | 0
CASC Willis | Equipment Held For Operating Lease |  |
Schedule of Equity Method Investments [Line Items] |  |
Net book value | $ 42,700 |

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