REVENUE FROM CONTRACTS WITH CUSTOMERS (Narrative) (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2020	Aug. 31, 2020	Dec. 31, 2021	Sep. 01, 2020	Dec. 31, 2019
Segment Reporting Information [Line Items]
Retained earnings (deficit)	$ (18,140)		$ 41,071	$ 0
Total shareholders' equity	425,593	$ 171,180	399,668	439,523	$ 1,055,635
Change in contact assets and liabilities, net	1,316	2,459	3,699
Retained Earnings (Deficit)
Segment Reporting Information [Line Items]
Total shareholders' equity	$ (18,140)	$ (731,877)	$ 41,071	$ 0	$ 199,135
Oil and Natural Gas
Segment Reporting Information [Line Items]
Revenue Satisfied at Point in Time, Transfer of Control			Revenues from oil and natural gas sales are recognized when the customer obtains control of the sold product which typically occurs at the point of delivery to the customer.
Drilling
Segment Reporting Information [Line Items]
Revenue, Practical Expedient, Initial Application and Transition, Qualitative Assessment			Most of our drilling contracts have a term of one year or less and the remaining performance obligations under the contracts without a fixed term are not material.
Mid-Stream
Segment Reporting Information [Line Items]
Change in contact assets and liabilities, net			$ 2,384