NET LOSS PER SHARE (Details) - USD ($) $ / shares in Units, $ in Thousands			3 Months Ended								7 Months Ended	12 Months Ended
		Nov. 09, 2018	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2017	Sep. 30, 2017	Jun. 30, 2017	Mar. 31, 2017	Dec. 31, 2016	Dec. 31, 2018	Dec. 31, 2017
Basic:
Net loss including noncontrolling interest, basic											$ 0	$ (239)	$ (18,575)
Net income attributable to noncontrolling interest											0	4,149	0
NET LOSS ATTRIBUTABLE TO CLASS A COMMON SHAREHOLDERS			$ 632	$ 19,208	$ (11,621)	$ (12,607)	$ (12,318)	$ (3,828)	$ (2,429)	$ 0	$ 0	$ (4,388)	$ (18,575)
Weighted average number of shares outstanding, basic (in shares)	[1]										6,293,000	173,125,000	62,259,000
Basic, net loss from continuing operations (in USD per share)											$ 0.00	$ 0.00	$ (0.30)
Basic (in USD per share)			$ 0.004	$ 0.09	$ (0.06)	$ (0.09)	$ (0.11)	$ (0.05)	$ (0.05)	$ 0.00	$ 0.00	$ (0.03)	$ (0.30)
Diluted:
Net loss including noncontrolling interest, diluted											$ 0	$ (239)	$ (18,575)
Net income attributable to noncontrolling interest											0	4,149	0
Net loss attributable to Class A Common Shareholders, diluted											$ 0	$ (4,388)	$ (18,575)
Weighted average number of shares outstanding, diluted (in shares)	[1]										6,293,000	173,125,000	62,259,000
Diluted, net loss from continuing operations (in USD per share)											$ 0.00	$ 0.00	$ (0.30)
Diluted (in USD per share)			$ 0.004	$ 0.09	$ (0.06)	$ (0.09)	$ (0.11)	$ (0.05)	$ (0.05)	$ 0.00	$ 0.00	$ (0.03)	$ (0.30)
Warrant
Diluted:
Antidilutive securities excluded from computation of earnings per share (in shares)												18,941,641
Class A Common Stock
Diluted:
Earn-out consideration of equity interest (in shares)		37,500,000

[1] For periods prior to the Business Combination, the number of shares has been retroactively restated to reflect the number of shares received by Apache. For further detail of the Business Combination and associated financial statement presentation, please refer to Note 1 — Summary of Significant Accounting Policies and Note 2 — Recapitalization Transaction.