Concentration of Risk - Narrative (Details) $ in Thousands	12 Months Ended
Dec. 31, 2025 USD ($) leased_aircraft country	Dec. 31, 2024 USD ($) country leased_aircraft	Dec. 31, 2023 USD ($)
Risks and Uncertainties [Abstract]
Number of aircraft leased \| leased_aircraft	102	116
Number of countries \| country	53	58
Minimum percentage of aircraft operated internationally based on net book value	95.00%
Concentration Risk [Line Items]
Rental of flight equipment revenue	$ 2,684,519	$ 2,487,955	$ 2,477,607
Revenue Benchmark \| Geographic Region
Concentration Risk [Line Items]
Concentration risk, percentage	100.00%	100.00%	100.00%
Rental of flight equipment revenue	$ 2,684,519	$ 2,487,955	$ 2,477,607
CHINA
Concentration Risk [Line Items]
Rental of flight equipment revenue			$ 330,800
CHINA \| Revenue Benchmark \| Geographic Region
Concentration Risk [Line Items]
Concentration risk, percentage			10.00%

Represents the minimum percentage of aircraft operated internationally.

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Represents the number of aircraft leased.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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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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The number of countries in which the entity operates as of balance sheet date.

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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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