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Furlough Expenses

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- Definition

Number Of Employees Included In Union Application

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- Definition

Number Of Pilots Furloughed During Period

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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.

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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

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The number of positions eliminated during the period as a result of restructuring activities.

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Amount of expenses for special or contractual termination benefits provided to current employees involuntarily terminated under a benefit arrangement associated exit or disposal activities pursuant to an authorized plan. Excludes expenses related to one-time termination benefits, a discontinued operation or an asset retirement obligation.

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Commitments and Contingencies - Employees (Details) $ in Millions		3 Months Ended
	Jan. 31, 2025 pilot	Mar. 31, 2025 USD ($) employee employeeGroup
Concentration Risk [Line Items]
Number of pilots furloughed (approximately) \| pilot	200
Furlough expenses \| $		$ 0.9
Number of positions eliminated from various departments (approximately) \| employee		200
Expenses related to eliminated positions \| $		$ 1.8
Aircraft Mechanics Fraternal Association ("AMFA")
Concentration Risk [Line Items]
Number of employees included in union application (approximately) \| employee		576
Unionized Employees Concentration Risk \| Number of Employees, Total
Concentration Risk [Line Items]
Number of union-represented employee groups \| employeeGroup		6
Company's employees covered under collective bargaining agreements percentage		84.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| Air Line Pilots Association, International ("ALPA") (2)
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		25.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| Association of Flight Attendants ("AFA-CWA")
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		47.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| Professional Airline Flight Control Association ("PAFCA")
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		1.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| International Association of Machinists and Aerospace Workers ("IAMAW")
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		3.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| Transport Workers Union of America ("TWU")
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		3.00%
Unionized Employees Concentration Risk \| Number of Employees, Total \| Aircraft Mechanics Fraternal Association ("AMFA")
Concentration Risk [Line Items]
Company's employees covered under collective bargaining agreements percentage		5.00%