Revenue Recognition - Additional Information (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2023	Jun. 30, 2022	Jun. 30, 2023	Jun. 30, 2022	Dec. 31, 2022
Capitalized Contract Cost [Line Items]
Air traffic liability balance	$ 356,000		$ 356,000		$ 328,000
Air traffic liability recognized as passenger revenue			89.00%
Unearned travel club revenue	72,000		$ 72,000		$ 60,000
Passenger revenue recognized	$ 10,000	$ 23,000	$ 20,000	$ 45,000