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RELATED PARTY TRANSACTIONS - Narrative (Details) - USD ($)
$ in Millions
 1 Months Ended 12 Months Ended
Jun. 30, 2018
Nov. 30, 2022
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2020
Related Party Transaction [Line Items]          
Amount required to be paid to transferees as percentage of cash savings in US federal, state and local income tax 85.00%        
Expected benefit as percentage of cash savings in income tax 15.00%        
Number of days within which payments required to be made under tax receivable agreement after filing of the tax return 90 days        
Cash payments made under tax receivable agreement     $ 10.3 $ 7.2 $ 7.2
Cumulative income tax savings realized     10.7    
Discretionary investments     714.8 685.8 645.6
Expenses from aircraft and other services     2.9 1.7 1.7
Payments made to related party     8.8 $ 8.6 $ 8.4
Related party transaction, renewal term   15 years      
Chief Executive Officer | Aircraft Rental Payments          
Related Party Transaction [Line Items]          
Amount of related party transaction     $ 0.6