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Concentration of Risk - Rental Revenue and Percentage of Rental Flight Equipment Revenues (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 2,214,508	$ 2,003,337	$ 1,946,620
Sales | Geographic Region
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 2,214,508	$ 2,003,337	$ 1,946,620
% of Total	100.00%	100.00%	100.00%
Sales | Geographic Region | Asia (excluding China)
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 625,355	$ 558,020	$ 573,722
% of Total	28.20%	27.90%	29.50%
Sales | Geographic Region | Europe
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 611,091	$ 564,479	$ 525,543
% of Total	27.60%	28.20%	27.00%
Sales | Geographic Region | China
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 359,976	$ 352,375	$ 341,121
% of Total	16.30%	17.60%	17.50%
Sales | Geographic Region | The Middle East and Africa
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 251,243	$ 210,977	$ 220,017
% of Total	11.30%	10.50%	11.30%
Sales | Geographic Region | U.S. and Canada
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 143,266	$ 130,717	$ 106,694
% of Total	6.50%	6.50%	5.50%
Sales | Geographic Region | Central America, South America and Mexico
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 141,638	$ 104,315	$ 88,113
% of Total	6.40%	5.20%	4.50%
Sales | Geographic Region | Pacific, Australia, and New Zealand
Concentration Risk [Line Items]
Amount of Rental Revenue	$ 81,939	$ 82,454	$ 91,410
% of Total	3.70%	4.10%	4.70%

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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Amount of operating lease income from lease payments and variable lease payments paid and payable to lessor. Includes, but is not limited to, variable lease payments not included in measurement of lease receivable.

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