v3.26.1
MERGER WITH MESA AIR GROUP, INC. - Schedule of Recognized Assets Acquired and Liabilities Assumed (Details) - USD ($)
$ in Millions
 6 Months Ended
Jun. 30, 2026
Dec. 31, 2025
Nov. 25, 2025
Assets acquired:      
Goodwill $ 109.9 $ 122.5  
Republic Airways Holdings Inc.      
Assets acquired:      
Cash and cash equivalents 19.6   $ 19.6
Inventories 19.5   19.5
Property and equipment 21.6   22.6
Measurement Period Adjustments, Property and equipment (1.0)    
Deferred income taxes 29.2   19.0
Measurement Period Adjustments, Deferred income taxes 10.2    
Goodwill 107.9   120.4
Measurement Period Adjustments, Goodwill (12.5)    
Other non-current assets 8.9   8.9
Total assets acquired 251.7   250.2
Measurement Period Adjustments, Total assets acquired 1.5    
Liabilities assumed:      
Operating lease liability 6.6   6.6
Other non-current liabilities 0.8   1.0
Measurement Period Adjustments, Other non-current liabilities (0.2)    
Total liabilities assumed 131.5   130.0
Measurement Period Adjustments, Total liabilities assumed 1.5    
Net assets acquired 120.2   120.2
Measurement Period Adjustments, Net assets acquired 0.0    
Republic Airways Holdings Inc. | Nonrelated Party      
Assets acquired:      
Other current assets 15.3   14.5
Measurement Period Adjustments, Other current assets 0.8    
Liabilities assumed:      
Accounts payable 55.4   55.3
Measurement Period Adjustments, Accounts payable 0.1    
Accrued expenses and other current liabilities 65.3   65.9
Measurement Period Adjustments, Accrued expenses and other current liabilities (0.6)    
Republic Airways Holdings Inc. | Related Party      
Assets acquired:      
Other current assets 29.7   25.7
Measurement Period Adjustments, Other current assets 4.0    
Liabilities assumed:      
Accounts payable 0.7   0.7
Measurement Period Adjustments, Accounts payable 0.0    
Accrued expenses and other current liabilities 2.7   $ 0.5
Measurement Period Adjustments, Accrued expenses and other current liabilities $ 2.2