XML 47 R40.htm IDEA: XBRL DOCUMENT v3.25.3
Balance Sheet Information - Summary of Certain Significant Amounts Included in Condensed Consolidated Balance Sheet (Detail) - USD ($)
$ in Thousands
Sep. 30, 2025
Dec. 31, 2024
Expendable parts and supplies, net:    
Expendable parts and supplies $ 24,004 $ 39,404
Less: expendable parts warranty (4,145) (5,574)
Less: obsolescence (3,230) (4,658)
Expendable parts and supplies, net 16,629 29,172
Property and equipment, net:    
Property and equipment-gross 59,884 329,619
Less: accumulated depreciation (28,385) (126,052)
Property and equipment-net 31,499 203,567
Property and equipment, net 31,499 203,567
Other assets:    
Investments in equity securities 300 300
Contract asset 3,942 5,400
Other 860 1,129
Other assets 5,102 6,829
Other accrued expenses:    
Accrued property taxes 2,815 4,722
Accrued interest 981 3,207
Accrued vacation 6,123 7,308
Accrued lodging 3,287 3,847
Accrued simulator costs 659 543
Accrued maintenance 1,830 1,911
Accrued employee benefits 1,132 1,528
Accrued fleet operating expense 598 3,118
Customer deposits 224 962
Other 9,041 8,298
Other accrued expenses 26,690 35,444
Other noncurrent liabilities:    
Warrant liabilities 100 25,225
Long-term employee benefits 1,759 537
Other   913
Other noncurrent liabilities 1,859 26,675
Aircraft and Other Flight Equipment [Member]    
Property and equipment, net:    
Property and equipment-gross 50,355 319,831
Other Machinery and Equipment [Member]    
Property and equipment, net:    
Property and equipment-gross $ 9,529 $ 9,788