v3.26.3
Summary of Significant Accounting Policies - Contract Revenues (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2025
Dec. 31, 2024
Summary of Significant Accounting Policies [Line Items]    
Purchased services and other [1] $ 14,247 $ 13,567
Receivables, net 3,155 7,380
Contract liabilities, net 0 4,190
Revenue 66,677 202,383
Minimum Crew Availability    
Summary of Significant Accounting Policies [Line Items]    
Revenue from crew availability minimums 0 2,458
On-Demand Charter Service    
Summary of Significant Accounting Policies [Line Items]    
Receivables, net 330 635
Revenue 11,760 2,187
Contract Revenue    
Summary of Significant Accounting Policies [Line Items]    
Revenue 66,227 202,375
Related Party    
Summary of Significant Accounting Policies [Line Items]    
Purchased services and other [1] 390  
Air Wisconsin | Related Party    
Summary of Significant Accounting Policies [Line Items]    
Receivables, net 0 3,395
Non-refundable upfront fee revenues 753 2,741
Deferred revenue current 0 753
Revenue related to one-time assistance payment, estimated monthly support fee and heavy maintenance revenues 7,299 10,990
Contract liabilities, net   3,301
Revenue from contract with customer, excluding assessed tax 4,301 1,699
Air Wisconsin | Related Party | Minimum Crew Availability    
Summary of Significant Accounting Policies [Line Items]    
Deferred revenue recognition 2,820 7,050
Received from minimum crew availability 362 9,508
Air Wisconsin | Related Party | Fixed Daily Revenue    
Summary of Significant Accounting Policies [Line Items]    
Received from minimum crew availability $ 4,486 $ 5,009
Revenue Benchmark | Product Concentration Risk | Contract Revenue    
Summary of Significant Accounting Policies [Line Items]    
Concentration risk 17.60% 1.10%
American Capacity Purchase Agreement    
Summary of Significant Accounting Policies [Line Items]    
Revenue from contract with customer, excluding assessed tax $ 4,190 $ 662
American Capacity Purchase Agreement | Heavy Maintenance Reimbursements    
Summary of Significant Accounting Policies [Line Items]    
Revenue related to one-time assistance payment, estimated monthly support fee and heavy maintenance revenues 0 1
Contract liabilities, net 0 2,688
American Capacity Purchase Agreement | Air Wisconsin    
Summary of Significant Accounting Policies [Line Items]    
Purchased services and other 17,946 86,114
American Capacity Purchase Agreement | Air Wisconsin | Related Party    
Summary of Significant Accounting Policies [Line Items]    
Purchased services and other 3,998  
Deferred revenue recognition 16,029 81,619
Deferred revenue recognized 9,496  
American Capacity Purchase Agreement | American Airlines | Air Wisconsin    
Summary of Significant Accounting Policies [Line Items]    
Rebates payable $ 4,500 $ 3,638
American Capacity Purchase Agreement | Revenue Benchmark | Customer Concentration Risk    
Summary of Significant Accounting Policies [Line Items]    
Concentration risk 81.70% 98.90%
[1]
1Includes $390 of related party expense. Please refer to Note 9, Related Party Transactions, for further details.