v3.26.1
MEZZANINE EQUITY AND CAPITAL TRANSACTIONS - Narrative (Details) - USD ($)
$ / shares in Units, $ in Millions
3 Months Ended 6 Months Ended 12 Months Ended
Jun. 30, 2026
Mar. 31, 2026
Jun. 30, 2025
Jun. 30, 2026
Jun. 30, 2025
Dec. 31, 2025
2026 Long Term Incentive RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 106,091 349,853        
Modified and vested (in shares) 102,793          
Vested (in shares) 25,712          
2026 Long Term Incentive Time-Vesting RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 0 17,389        
Modified and vested (in shares) 0          
Vested (in shares) 0          
2026 Promotion RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 25,114 0        
Modified and vested (in shares) 0          
Vested (in shares) 0          
Restricted Stock Units            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 131,205 367,242        
Granted (in dollars per share) $ 18.35 $ 21.14        
Modified and vested (in shares) 286,091          
Vested (in shares) 140,449          
2025 LTI Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 0 0        
Modified and vested (in shares) 11,231          
Vested (in shares) 0          
Republic Integration Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 0 0        
Modified and vested (in shares) 172,067          
Vested (in shares) 114,737          
Republic Integration Awards | Tranche One            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting percentage       33.33%    
Republic Integration Awards | Tranche Two            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting percentage       33.33%    
Republic Integration Awards | Tranche Three            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting percentage       33.33%    
Long Term Incentive Unvested RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation     $ 1.6   $ 2.3  
Long Term Incentive Unvested RSUs | Location, Statement of Income, Balance [Axis]: us-gaap:LaborAndRelatedExpense            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation $ 2.6     $ 6.3    
Long Term Incentive Unvested RSUs | Location, Statement of Income, Balance [Axis]: rjet:RestructuringChargesAndAcquisitionRelatedCosts            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Share based compensation $ 4.2     $ 4.2    
Management | 2026 Long Term Incentive RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares)       455,944    
Performance certification period (in days)       60 days    
Shares to be granted (in shares)       110,016    
Granted (in dollars per share)       $ 20.13    
Modified and vested (in shares) 102,793     102,793    
Granted and vested (in shares) 25,712     25,712    
Management | 2026 Long Term Incentive RSUs | Minimum            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting percentage       0.00%    
Management | 2026 Long Term Incentive RSUs | Maximum            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Vesting percentage       200.00%    
Management | 2026 Long Term Incentive Time-Vesting RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 0     17,389    
Granted (in dollars per share)       $ 21.14    
Vesting period (in years)       3 years    
Management | 2026 Promotion RSUs            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares) 25,114     25,114    
Granted (in dollars per share) $ 18.43     $ 18.43    
Vesting period (in years) 33 months     33 months    
Management | 2025 LTI Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Modified and vested (in shares) 11,231     11,231    
Vesting period (in years)           3 years
Management | Republic Integration Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in shares)           1,147,456
Modified and vested (in shares) 172,067     172,067    
Vested (in shares) 114,737     114,737    
Management | Time-Based Republic Integration Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Percentage of shares granted           70.00%
Management | Performance Based Republic Integration Awards            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Percentage of shares granted           30.00%
Director | Restricted Stock Units            
Share-Based Compensation Arrangement by Share-Based Payment Award [Line Items]            
Granted (in dollars per share) $ 21.95     $ 21.95    
Shares issued in period (in shares) 43,566     43,566    
Share based compensation $ 1.0     $ 1.0