DERIVATIVE INSTRUMENTS AND HEDGING ACTIVITIES - Hedging Positions (Details) - Subsequent Event - Not Designated as Hedging Instrument bbl in Thousands, MMBTU in Thousands	Nov. 01, 2017 MMBTU $ / MMBTU $ / bbl bbl
Oil | Commodity Put Contract February Through December 2017, Contract One
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	2
Price ($ per Bbl)	50.00
Oil | Commodity Collar Contract July Through December 2017
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	41.1
Oil | Commodity Put Contract January Through December 2018, Contract One
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	54.00
Oil | Commodity Put Contract January Through December 2018, Contract Two
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	45
Oil | Commodity Fixed-Price Swap Contract, March Through December 2017
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	53.9
Oil | Commodity Fixed-Price Swap Contract October through December 2017
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	52.10
Oil | Commodity Fixed-Price Swap Contract, January Through December 2018
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	52.5
Oil | Commodity Fixed-Price Swap Contract, January Through December 2018 Contract Two
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	51.98
Oil | Commodity Fixed-Price Swap Contract, January Through December 2018 Contract Three
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	53.67
Oil | Commodity Fixed-Price Swap Contract, January Through December 2019
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	51.00
Oil | Commodity Fixed-Price Swap Contract, January Through December 2019 Contract Two
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Swap Price ($ per MMBtu)	51.57
Oil | Commodity Collar Contract March Through December 2017, Contract One
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	50
Ceiling Price ($ per Bbl)	56.45
Oil | Commodity Collar Contract April Through December 2017, Contract Two
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	50
Ceiling Price ($ per Bbl)	56.75
Oil | Commodity Collar Contract January Through December 2018, Contract Two
Derivatives, Fair Value [Line Items]
Daily Volume (Bbls/d) | bbl	1
Price ($ per Bbl)	45
Ceiling Price ($ per Bbl)	55.35
Natural Gas | NYMEX Fixed-Price Swap Contract, July Through December 2017, Contract One
Derivatives, Fair Value [Line Items]
Daily Volume (MMBtus/d) | MMBTU	11
Swap Price ($ per MMBtu) | $ / MMBTU	3
Natural Gas | Commodity Collar Contract January Through December 2018, Contract Two
Derivatives, Fair Value [Line Items]
Price ($ per Bbl) | $ / MMBTU	2.75
Daily Volume (MMBtus/d) | MMBTU	6
Ceiling Price ($ per Bbl) | $ / MMBTU	3.24