Subsequent Events (Details) $ in Millions	1 Months Ended
Jan. 31, 2022 USD ($)	Dec. 31, 2021 Aircraft
Boeing 737 MAX Aircraft Series
Subsequent Event [Line Items]
Number of Aircraft Committed To Purchase \| Aircraft		50
Subsequent Event \| Boeing
Subsequent Event [Line Items]
Purchase Commitment, Pre-Delivery Deposit, Amount \| $	$ 44.5

Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event.

No definition available.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration