DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Summary of Derivative Instruments (Details) - Subsequent Event bbl in Thousands, $ in Thousands	11 Months Ended	12 Months Ended
	Dec. 31, 2017 USD ($) bbl $ / bbl	Dec. 31, 2018 USD ($) bbl $ / bbl
Commodity Put Contract January Through December 2018, Contract One
Derivative [Line Items]
Cost of contract | $		$ 2,183
Daily volume (Bbl/day) | bbl		1
Floor price (in usd per share) | $ / bbl		54.00
Crude Oil | Commodity Put Contract February Through December 2017, Contract One
Derivative [Line Items]
Cost of contract | $	$ 752
Daily volume (Bbl/day) | bbl	1
Floor price (in usd per share) | $ / bbl	50.00
Crude Oil | Commodity Put Contract February Through December 2017, Contract Two
Derivative [Line Items]
Cost of contract | $	$ 802
Daily volume (Bbl/day) | bbl	1
Floor price (in usd per share) | $ / bbl	50.00
Crude Oil | Commodity Fixed-Price Swap Contract, March Through December 2017
Derivative [Line Items]
Daily volume (Bbl/day) | bbl	1
Fixed price swap (in usd/bbl) | $ / bbl	53.90
Crude Oil | Commodity Fixed-Price Swap Contract, January Through December 2018
Derivative [Line Items]
Daily volume (Bbl/day) | bbl		1
Fixed price swap (in usd/bbl) | $ / bbl		52.50