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Equipment Held for Operating Lease and Notes Receivable - Additional Information (Details) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 USD ($) | Sep. 30, 2022 USD ($) | Sep. 30, 2023 engine | Sep. 30, 2023 aircraft | Sep. 30, 2023 marine_vessel | Dec. 31, 2022 USD ($) | Dec. 31, 2022 engine | Dec. 31, 2022 aircraft | Dec. 31, 2022 marine_vessel
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Equipment held for operating lease | $ 2,170,980 |  | $ 2,170,980 |  |  |  |  | $ 2,111,935 |  |  |
Notes receivable | 93,999 |  | 93,999 |  |  |  |  | 81,439 |  |  |
Maintenance rights | 13,375 |  | 13,375 |  |  |  |  | 17,708 |  |  |
Investments in sales-type leases | 5,514 |  | 5,514 |  |  |  |  | $ 6,440 |  |  |
Number of leased assets |  |  |  |  | 351 | 12 | 1 |  | 339 | 13 | 1
Interest revenue | $ 2,106 | $ 1,811 | $ 6,409 | $ 5,790 |  |  |  |  |  |  |
Note Receivable | Minimum |  |  |  |  |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Note receivable, effective interest rate |  |  | 7.10% | 7.10% |  |  |  |  |  |  |
Investments | Maximum |  |  |  |  |  |  |  |  |  |  |
Lessor, Lease, Description [Line Items] |  |  |  |  |  |  |  |  |  |  |
Note receivable, effective interest rate |  |  | 12.20% | 12.20% |  |  |  |  |  |  |

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