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Assets Held for Sale - Additional Information (Detail) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025 USD ($) Airframes Engines	Jun. 30, 2025 Engines Airframes	Sep. 30, 2025 USD ($) Engines Airframes	Dec. 31, 2024 USD ($)
Long Lived Assets Held For Sale [Line Items]
Aircraft held for sale current | $	$ 33,759		$ 33,759	$ 80,723
Current Assets [Member]
Long Lived Assets Held For Sale [Line Items]
Aircraft held for sale current | $	$ 33,800		$ 33,800
Airframes [Member]
Long Lived Assets Held For Sale [Line Items]
Number of aircraft held for sale | Airframes		21	12
Engines [Member]
Long Lived Assets Held For Sale [Line Items]
Number of aircraft held for sale | Engines		34	21
CRJ-900 Airframes [Member]
Long Lived Assets Held For Sale [Line Items]
Number of aircraft held for sale | Airframes	9
GE Model CF34-8C [Member]
Long Lived Assets Held For Sale [Line Items]
Number of engine sold | Engines	13

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Number of aircraft held for sale.

+ References

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- Definition

Amount of assets held-for-sale that are not part of a disposal group, expected to be sold within a year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Topic 852
-SubTopic 10
-Name Accounting Standards Codification
-Section 55
-Paragraph 10
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481372/852-10-55-10

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-Topic 360
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-Name Accounting Standards Codification
-Section 15
-Paragraph 4
-Subparagraph (b)(2)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482309/360-10-15-4

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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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