SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES (Details)				1 Months Ended	3 Months Ended		5 Months Ended	9 Months Ended	12 Months Ended
	Nov. 01, 2016 bbl	Oct. 31, 2016 USD ($) payment	Sep. 30, 2016 USD ($)	Oct. 31, 2014 agreement	Dec. 31, 2016 USD ($) bbl	Jun. 30, 2015 bbl	Sep. 30, 2016 payment	Sep. 30, 2016	Dec. 31, 2016 USD ($) agreement	Mar. 14, 2017 USD ($)	Jan. 01, 2017 USD ($)	Dec. 23, 2016 USD ($)	May 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	May 13, 2015 USD ($)	Dec. 31, 2014 USD ($)	Jul. 15, 2014	Dec. 31, 2013 USD ($)
Property, Plant and Equipment [Line Items]
Minimum trailing twelve month interest to trailing twelve month EBITDAX coverage covenant								2.50	2.50
Maximum debt ratio					2.50				2.50
Cash and cash equivalents					$ 80,565,000				$ 80,565,000					$ 21,341,000		$ 2,584,000		$ 180,582,000
Number of purchase and transportation agreements | agreement				2					2
Minimum commitment of crude oil | bbl					15,000	12,580
Term of commitment period					7 years	5 years
Percentage of debt holders required to recall debt									25.00%
Period for receipt of payment on oil and natural gas sales, minimum									30 days
Period for receipt of payment on oil and natural gas sales, maximum									90 days
RSA rights offering, authorized amount					$ 200,000,000				$ 200,000,000			$ 200,000,000
Other noncurrent assets | Accounting Standards Update 2015-03
Property, Plant and Equipment [Line Items]
Debt issuance costs					(11,500,000)				(11,500,000)					(13,700,000)
Long-term debt | Accounting Standards Update 2015-03
Property, Plant and Equipment [Line Items]
Debt issuance costs					$ 11,500,000				$ 11,500,000					$ 13,700,000
Minimum
Property, Plant and Equipment [Line Items]
Receivable collection period									1 month
Minimum | Property, Plant and Equipment, Other Types
Property, Plant and Equipment [Line Items]
PP&E useful life									3 years
Maximum
Property, Plant and Equipment [Line Items]
Receivable collection period									2 months
Maximum | Property, Plant and Equipment, Other Types
Property, Plant and Equipment [Line Items]
PP&E useful life									10 years
Senior Notes 6.75% Due 2021
Property, Plant and Equipment [Line Items]
Interest rate (as a percent)					6.75%				6.75%
5.75% Senior Notes
Property, Plant and Equipment [Line Items]
Interest rate (as a percent)					5.75%				5.75%					5.75%			5.75%
Crude Oil
Property, Plant and Equipment [Line Items]
Minimum commitment of crude oil | bbl						12,580
Term of commitment period						5 years
Minimum volume commitment deficiency payments									$ 3,400,000
Crude Oil | Scenario, Forecast
Property, Plant and Equipment [Line Items]
Potential deficiency payments										$ 44,800,000	$ 44,800,000
Expected payment to settle bankruptcy claim										$ 21,000,000
Crude Oil, November 1, 2016
Property, Plant and Equipment [Line Items]
Minimum commitment of crude oil | bbl	15,000
Term of commitment period	7 years
Potential deficiency payments					$ 165,200,000				165,200,000
Revolver
Property, Plant and Equipment [Line Items]
Borrowing base amount		$ 150,000,000											$ 200,000,000		$ 475,000,000
Borrowing capacity deficiency		$ 50,000,000			$ 41,700,000				$ 41,700,000				$ 88,000,000
Number of repayments on credit facility | payment		5					6
Monthly principal payment		$ 8,300,000	$ 14,700,000