Capacity Purchase Agreements with United and American (Detail)	1 Months Ended
	Jul. 31, 2023 arbitrator	Aug. 31, 2022 aircraft
Pending Litigation | Air Wisconsin v. United
Types Of Commercial Aircraft [Line Items]
Number of arbitrators | arbitrator	3
CRJ-200 | Maximum | American Airlines
Types Of Commercial Aircraft [Line Items]
Number of aircrafts operated | aircraft		60