Debt - Long-Term Debt (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Feb. 28, 2023	Feb. 27, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Interest rate		12.00%	4.50%
Total	$ 52,554
Less: current maturities	52,554			$ 9,154
Long-term debt	$ 0			52,068
Aircraft Notes Due December 31, 2025
Debt Instrument [Line Items]
Interest rate	4.00%
Total	$ 52,554			$ 61,222