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Equipment Held for Operating Lease and Notes Receivable - Schedule of Carrying Values (Details) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Engines and related equipment
Lessor, Lease, Description [Line Items]
Gross Value	$ 2,327,007	$ 2,368,496
Accumulated Depreciation	(515,549)	(515,442)
Net Book Value	1,811,458	1,853,054
Aircraft and airframes
Lessor, Lease, Description [Line Items]
Gross Value	137,214	134,370
Accumulated Depreciation	(8,776)	(7,790)
Net Book Value	128,438	126,580
Marine vessel
Lessor, Lease, Description [Line Items]
Gross Value	13,470	13,470
Accumulated Depreciation	(1,918)	(1,736)
Net Book Value	11,552	11,734
Equipment Held For Operating Lease
Lessor, Lease, Description [Line Items]
Gross Value	2,477,691	2,516,336
Accumulated Depreciation	(526,243)	(524,968)
Net Book Value	$ 1,951,448	$ 1,991,368

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Amount of accumulated depreciation, depletion and amortization for physical assets used in the normal conduct of business to produce goods and services.

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