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Concentration of Risk - Schedule of Concentration of Risk by Regions (Details) $ in Thousands | 12 Months Ended
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Dec. 31, 2023 USD ($) customer | Dec. 31, 2022 USD ($) customer aircraft
Concentration Risk [Line Items] |  |
Net Book Value | $ 26,231,208 | $ 24,538,385
Disposal Group, Held-for-sale, Not Discontinued Operations | Four Aircrafts |  |
Concentration Risk [Line Items] |  |
Number of aircraft | aircraft |  | 4
Property, plant and equipment |  | $ 153,500
Net Assets, Geographic Area | Geographic Region |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 26,231,208 | $ 24,538,385
% of Total | 100.00% | 100.00%
Net Assets, Geographic Area | Geographic Region | Asia Pacific |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 10,456,435 | $ 10,818,250
% of Total | 39.80% | 44.10%
Net Assets, Geographic Area | Geographic Region | Europe |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 9,881,024 | $ 7,985,317
% of Total | 37.70% | 32.50%
Net Assets, Geographic Area | Geographic Region | Central America, South America, and Mexico |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 2,361,089 | $ 1,924,216
% of Total | 9.00% | 7.80%
Net Assets, Geographic Area | Geographic Region | The Middle East and Africa |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 2,062,420 | $ 2,253,342
% of Total | 7.90% | 9.30%
Net Assets, Geographic Area | Geographic Region | U.S. and Canada |  |
Concentration Risk [Line Items] |  |
Net Book Value | $ 1,470,240 | $ 1,557,260
% of Total | 5.60% | 6.30%
Number of Customers Geographic Area | Geographic Region |  |
Concentration Risk [Line Items] |  |
% of Total | 100.00% | 100.00%
Number of customers | customer | 119 | 117
Number of Customers Geographic Area | Geographic Region | Asia Pacific |  |
Concentration Risk [Line Items] |  |
% of Total | 28.60% | 29.00%
Number of customers | customer | 34 | 34
Number of Customers Geographic Area | Geographic Region | Europe |  |
Concentration Risk [Line Items] |  |
% of Total | 42.00% | 41.90%
Number of customers | customer | 50 | 49
Number of Customers Geographic Area | Geographic Region | Central America, South America, and Mexico |  |
Concentration Risk [Line Items] |  |
% of Total | 6.70% | 6.00%
Number of customers | customer | 8 | 7
Number of Customers Geographic Area | Geographic Region | The Middle East and Africa |  |
Concentration Risk [Line Items] |  |
% of Total | 12.60% | 12.00%
Number of customers | customer | 15 | 14
Number of Customers Geographic Area | Geographic Region | U.S. and Canada |  |
Concentration Risk [Line Items] |  |
% of Total | 10.10% | 11.10%
Number of customers | customer | 12 | 13

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