Commitments and Contingencies - Cash Obligations (Detail) $ in Thousands	Dec. 31, 2022 USD ($)
Contractual Obligation Fiscal Year Maturity [Line Items]
Long-term debt, Total	$ 61,222
Long-term debt, due in 2023	9,154
Long-term debt, due in 2024	8,874
Long-term debt, due in 2025	43,194
Total lease payments	11,892
Operating lease obligations, due in 2023	5,580
Operating lease obligations, due in 2024	3,222
Operating lease obligations, due in 2025	2,487
Operating lease obligations, due in 2026	171
Operating lease obligations, due in 2027	75
Operating lease obligations, due Thereafter	357
Total cash obligations	73,114
Total cash obligations, due in 2023	14,734
Total cash obligations, due in 2024	12,096
Total cash obligations, due in 2025	45,681
Total cash obligations, due in 2026	171
Total cash obligations, due in 2027	75
Total cash obligations, due Thereafter	357
Aircraft Notes Principal [Member]
Contractual Obligation Fiscal Year Maturity [Line Items]
Long-term debt, Total	55,600
Long-term debt, due in 2023	7,000
Long-term debt, due in 2024	7,000
Long-term debt, due in 2025	41,600
Long-term debt, due in 2026	0
Long-term debt, due in 2027	0
Aircraft Notes Interest [Member]
Contractual Obligation Fiscal Year Maturity [Line Items]
Long-term debt, Total	5,622
Long-term debt, due in 2023	2,154
Long-term debt, due in 2024	1,874
Long-term debt, due in 2025	1,594
Long-term debt, due in 2026	0
Long-term debt, due in 2027	$ 0

Contractual Obligation Fiscal Year Maturity [Line Items]

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Amount of contractual obligation to be paid in third fiscal year following current fiscal year. Excludes interim and annual periods when interim periods are reported from current statement of financial position date (rolling approach).

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Amount of lessee's undiscounted obligation for lease payment for operating lease.

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