DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Hedging Positions (Details) - Oil bbl in Thousands, $ in Thousands	1 Months Ended
	Mar. 31, 2017 USD ($) bbl $ / bbl
Commodity Put Contract February Through December 2017, Contract One
Derivatives, Fair Value [Line Items]
Derivative, Cost of Hedge | $	$ 752
Daily Volume (in Bbl) | bbl	1
Price (in dollars per Bbl)	50.00
Commodity Put Contract February Through December 2017, Contract Two
Derivatives, Fair Value [Line Items]
Derivative, Cost of Hedge | $	$ 802
Daily Volume (in Bbl) | bbl	1
Price (in dollars per Bbl)	50.00
Commodity Put Contract January Through December 2018, Contract One
Derivatives, Fair Value [Line Items]
Derivative, Cost of Hedge | $	$ 2,183
Daily Volume (in Bbl) | bbl	1
Price (in dollars per Bbl)	54.00
Commodity Put Contract January Through December 2018, Contract Two
Derivatives, Fair Value [Line Items]
Derivative, Cost of Hedge | $	$ 1,453
Daily Volume (in Bbl) | bbl	1
Price (in dollars per Bbl)	45
Commodity Fixed-Price Swap Contract, March Through December 2017
Derivatives, Fair Value [Line Items]
Daily Volume (in Bbl) | bbl	1
Swap Price (in dollars per Bbl)	53.9
Commodity Fixed-Price Swap Contract, January Through December 2018
Derivatives, Fair Value [Line Items]
Daily Volume (in Bbl) | bbl	1
Swap Price (in dollars per Bbl)	52.5
Commodity Collar Contract March Through December 2017, Contract One
Derivatives, Fair Value [Line Items]
Price (in dollars per Bbl)	50
Daily Volume (in Bbl) | bbl	1
Ceiling Price (in dollars per Bbl)	56.45
Commodity Collar Contract March Through December 2017, Contract Two
Derivatives, Fair Value [Line Items]
Price (in dollars per Bbl)	50
Daily Volume (in Bbl) | bbl	1
Ceiling Price (in dollars per Bbl)	56.75