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Commitments and Contingencies - Schedule of Contractual Obligation, Fiscal Year Maturity (Detail) $ in Thousands	Dec. 31, 2023 USD ($) Aircraft
Commitments and Contingencies Disclosure [Abstract]
2024	$ 866,545
2025	673,612
2026	159,679
Total purchase commitments	$ 1,699,836
Number of aircraft committed to purchase | Aircraft	51

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- Definition

Number Of Aircraft Committed To Purchase

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- Definition

Minimum amount of purchase arrangement in which the entity has agreed to expend funds to procure goods or services from a supplier.

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- Definition

Amount of purchase arrangement to be paid in next fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in second fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of purchase arrangement to be paid in third fiscal year following current fiscal year. Includes, but is not limited to, recorded and unrecorded purchase obligations, long-term purchase commitment, and short-term purchase commitment. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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