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Commitments and Contingencies - Collective Bargaining Agreements (Details)	12 Months Ended
	Dec. 31, 2021
Multiemployer Plan [Line Items]
Amount of employees represented by unions	88.00%
Pilots
Multiemployer Plan [Line Items]
Amount of employees represented by unions	31.00%
Flight Attendants
Multiemployer Plan [Line Items]
Amount of employees represented by unions	52.00%
Aircraft Technicians
Multiemployer Plan [Line Items]
Amount of employees represented by unions	2.00%
Aircraft Appearance
Multiemployer Plan [Line Items]
Amount of employees represented by unions	1.00%
Dispatchers
Multiemployer Plan [Line Items]
Amount of employees represented by unions	1.00%
Material Specialists
Multiemployer Plan [Line Items]
Amount of employees represented by unions	1.00%
Maintenance Control
Multiemployer Plan [Line Items]
Amount of employees represented by unions	1.00%

X

- Definition

Percentage of entity's employees covered by collective-bargaining arrangement (CBA) to all entity's employees in multiemployer pension plan determined to be individually significant.

+ References

Reference 1: http://www.xbrl.org/2003/role/exampleRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 715
-SubTopic 80
-Section 50
-Paragraph 5
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=65877416&loc=SL14450657-114947

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- Definition

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.

+ References

No definition available.

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