COMMITMENTS AND CONTINGENCIES - Additional Information (Details)	2 Months Ended	10 Months Ended	12 Months Ended
	Feb. 28, 2017 USD ($)	Dec. 31, 2017 USD ($) MBbls	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Loss Contingencies [Line Items]
Minimum net commitment under leases		$ 300,000
Payments related to lease obligations		500,000
Commitments to use drilling rigs and acquisition of seismic data, value		$ 8,600,000
Commitments to use drilling rigs and acquisition of seismic data, period		2 years
Minimum barrels of oil spill to impose financial responsibility under Oil Pollution Act | MBbls		1,000
Minimum financial responsibility oil spill in specified state waters		$ 10,000,000
Minimum financial responsibility oil spill in continental shelf waters		35,000,000
Maximum financial responsibility in amounts if oil spill		150,000,000
Minimum
Loss Contingencies [Line Items]
Potential contingency loss		75,000,000
Maximum
Loss Contingencies [Line Items]
Potential contingency loss		133,700,000
Bureau of Ocean Energy Management
Loss Contingencies [Line Items]
Contingent liability to surety insurance company		$ 115,000,000
Predecessor
Loss Contingencies [Line Items]
Payments related to lease obligations	$ 100,000		$ 700,000	$ 3,100,000