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COMMITMENTS AND CONTINGENCIES - Additional Information (Details) - Bureau of Ocean Energy Management - USD ($)
$ in Millions
21 Months Ended
Sep. 12, 2016
Dec. 31, 2018
Mar. 21, 2016
Predecessor      
Loss Contingencies [Line Items]      
Surety bond     $ 118
Percentage of maximum net worth allowed for self insurance 10.00%    
Minimum | Scenario, Forecast      
Loss Contingencies [Line Items]      
Additional incremental bonding requirement, amount   $ 30  
Maximum | Scenario, Forecast      
Loss Contingencies [Line Items]      
Additional incremental bonding requirement, amount   $ 60