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LONG-TERM DEBT, NET OF DEFERRED FINANCING COSTS - Credit Agreement (Details) - USD ($)
$ in Millions
Dec. 13, 2018
Dec. 12, 2018
Debt Instrument [Line Items]    
Decrease of interest rate 0.10%  
Term Loan | Credit facility amendment    
Debt Instrument [Line Items]    
Outstanding balance   $ 400
Debt matured on November 9, 2022 $ 150  
Debt matured on November 9, 2023 150  
Debt matured on November 9, 2024 $ 100