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Organization and Summary of Significant Accounting Policies - Equipment Held of Operating Lease (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2021 USD ($) engine | Dec. 31, 2020 USD ($)
Equipment Held for Operating Lease |  |
Write-down of equipment | $ 7,715 | $ 20,540
Minimum |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 3 years |
Maximum |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 39 years |
Equipment held for lease |  |
Equipment Held for Operating Lease |  |
Gross value | $ 2,516,336 | 2,340,736
Accumulated depreciation | (524,968) | (454,123)
Engines and related equipment | 1,991,368 | 1,886,613
Write-down of equipment | 3,500 | 4,900
Impairments recorded as a result of triggering events | $ 4,200 | 15,600
Equipment held for lease | Engines and related equipment |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 15 years |
Residual value, percent | 55.00% |
Gross value | $ 2,368,496 | 2,238,160
Accumulated depreciation | (515,442) | (445,780)
Engines and related equipment | 1,853,054 | 1,792,380
Equipment held for lease | Aircraft and airframes |  |
Equipment Held for Operating Lease |  |
Gross value | 134,370 | 89,613
Accumulated depreciation | (7,790) | (7,312)
Engines and related equipment | $ 126,580 | 82,301
Equipment held for lease | Spare part packages |  |
Equipment Held for Operating Lease |  |
Residual value, percent | 25.00% |
Equipment held for lease | Marine Vessel |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 18 years |
Residual value, percent | 15.00% |
Gross value | $ 13,470 | 12,963
Accumulated depreciation | (1,736) | (1,031)
Engines and related equipment | 11,734 | $ 11,932
Equipment held for lease | Older generation engines |  |
Equipment Held for Operating Lease |  |
Gross value | $ 37,000 |
Number of engines | engine | 40 |
Equipment held for lease | Minimum | Aircraft and airframes |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 13 years |
Residual value, percent | 15.00% |
Equipment held for lease | Minimum | Spare part packages |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 14 years |
Equipment held for lease | Minimum | Older generation engines |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 1 month |
Equipment held for lease | Maximum | New engine |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 25 years |
Equipment held for lease | Maximum | Aircraft and airframes |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 20 years |
Residual value, percent | 17.00% |
Equipment held for lease | Maximum | Spare part packages |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 15 years |
Equipment held for lease | Maximum | Older generation engines |  |
Equipment Held for Operating Lease |  |
Estimated useful life | 113 months |

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