ACCUMULATED OTHER COMPREHENSIVE INCOME (LOSS) - Schedule of Changes in Accumulated Other Comprehensive Income Loss (Details) - Predecessor - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2016	Dec. 31, 2015
Amounts reclassified from accumulated other comprehensive income:
Ending balance, net of tax	$ (637,282)
Cash Flow Hedges
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, net of tax	24,025	$ 86,783
Other comprehensive income (loss) before reclassifications:
Change in fair value of derivatives	(1,648)	52,630
Foreign currency translations	0	0
Income tax effect	581	(19,096)
Net of tax	(1,067)	33,534
Amounts reclassified from accumulated other comprehensive income:
Income tax effect	(12,499)	(54,833)
Net of tax	22,958	96,292
Other comprehensive income (loss), net of tax	(24,025)	(62,758)
Ending balance, net of tax	0	24,025
Cash Flow Hedges | Operating revenue: oil/natural gas production
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	35,457	149,955
Cash Flow Hedges | Derivative income, net
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income		1,170
Cash Flow Hedges | Other operational expenses
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	0
Foreign Currency Items
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, net of tax	(6,073)	(3,468)
Other comprehensive income (loss) before reclassifications:
Change in fair value of derivatives	0	0
Foreign currency translations	(8)	(2,605)
Income tax effect	0	0
Net of tax	(8)	(2,605)
Amounts reclassified from accumulated other comprehensive income:
Income tax effect	0	0
Net of tax	(6,081)	0
Other comprehensive income (loss), net of tax	6,073	(2,605)
Ending balance, net of tax	0	(6,073)
Foreign Currency Items | Operating revenue: oil/natural gas production
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	0	0
Foreign Currency Items | Derivative income, net
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income		0
Foreign Currency Items | Other operational expenses
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	(6,081)
Total
Increase (Decrease) in Stockholders' Equity [Roll Forward]
Beginning balance, net of tax	17,952	83,315
Other comprehensive income (loss) before reclassifications:
Change in fair value of derivatives	(1,648)	52,630
Foreign currency translations	(8)	(2,605)
Income tax effect	581	(19,096)
Net of tax	(1,075)	30,929
Amounts reclassified from accumulated other comprehensive income:
Income tax effect	(12,499)	(54,833)
Net of tax	16,877	96,292
Other comprehensive income (loss), net of tax	(17,952)	(65,363)
Ending balance, net of tax	0	17,952
Total | Operating revenue: oil/natural gas production
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	35,457	149,955
Total | Derivative income, net
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income		$ 1,170
Total | Other operational expenses
Amounts reclassified from accumulated other comprehensive income:
Reclassification from accumulated other comprehensive income	$ (6,081)