Investment in finance leases, net - Schedule of Components of the Net Investment in Finance and Sales-type Leases (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Flight Equipment, Net [Abstract]
Future minimum lease payments to be received, net	$ 1,376,169	$ 1,189,932
Estimated residual values of leased flight equipment	1,138,541	516,550
Less: Unearned income	(694,940)	(487,729)
Less: Allowance for credit losses (Note 27)	(12,276)	(10,168)
Investment in finance leases, net	$ 1,807,494	$ 1,208,585

Net Investment In Lease, Deferred Income

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- Definition

Sales-type and Direct Financing Leases, Lease Receivable, Future Minimum Lease Payments

+ References

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Sales-type and Direct Financing Leases, Unguaranteed Residual Asset

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- Definition

Amount, after allowance for credit loss, of net investment in sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-SubTopic 30
-Topic 842
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479016/842-30-45-1

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- Definition

Amount of allowance for credit loss on net investment in sales-type and direct financing leases.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

Reference 3: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
-Paragraph 1
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479344/326-20-45-1

Reference 4: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-2

Reference 5: http://www.xbrl.org/2003/role/disclosureRef
-Topic 805
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479907/805-20-50-1

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