SUPPLEMENTAL CONDENSED CONSOLIDATING FINANCIAL INFORMATION (Condensed Consolidating Statements of Cash Flow) (Details) - USD ($) $ in Thousands	4 Months Ended	8 Months Ended	12 Months Ended
	Dec. 31, 2020	Aug. 31, 2020	Dec. 31, 2021
OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities	$ 29,807	$ 44,956	$ 175,969
INVESTING ACTIVITIES:
Capital expenditures	(4,057)	(25,775)	(30,305)
Producing property and other oil and natural gas acquisitions		(382)
Proceeds from disposition of property and equipment	1,799	6,018	79,510
Net cash provided by (used in) investing activities	(2,258)	(20,139)	36,205
FINANCING ACTIVITIES:
Borrowings under line of credit	0	87,400	65,300
Payments under line of credit	(49,000)	(64,100)	(145,100)
Intercompany borrowings (advances), net		0
Net payments on finance leases	(1,406)	(2,757)	(3,216)
Employee taxes paid by withholding shares	0	(43)	0
Distributions to non-controlling interest	0	0	(23,136)
Bank overdrafts	2,631	(8,733)	(2,631)
Net cash provided by (used in) financing activities	(47,775)	7,552	(160,748)
Net increase (decrease) in cash and cash equivalents		32,369
Cash, restricted cash, cash equivalents, beginning of year	32,940	571	12,714
Cash, restricted cash, cash equivalents, end of year	12,714	32,940	64,140
DIP financing costs	0	(990)	0
Exit facility financing costs	0	(3,225)	$ 0
Consolidating Adjustments
OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities		136,858
INVESTING ACTIVITIES:
Capital expenditures		0
Producing property and other oil and natural gas acquisitions		0
Proceeds from disposition of property and equipment		0
Net cash provided by (used in) investing activities		0
FINANCING ACTIVITIES:
Borrowings under line of credit		0
Payments under line of credit		0
Intercompany borrowings (advances), net		(136,858)
Net payments on finance leases		0
Employee taxes paid by withholding shares		0
Bank overdrafts		0
Net cash provided by (used in) financing activities		(136,858)
Net increase (decrease) in cash and cash equivalents		0
Cash, restricted cash, cash equivalents, beginning of year	0	0
Cash, restricted cash, cash equivalents, end of year		0
DIP financing costs		0
Exit facility financing costs		0
Parent
OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities		(207,593)
INVESTING ACTIVITIES:
Capital expenditures		(986)
Producing property and other oil and natural gas acquisitions		0
Proceeds from disposition of property and equipment		1,169
Net cash provided by (used in) investing activities		183
FINANCING ACTIVITIES:
Borrowings under line of credit		55,300
Payments under line of credit		(31,500)
Intercompany borrowings (advances), net		210,398
Net payments on finance leases		0
Employee taxes paid by withholding shares		(43)
Bank overdrafts		(7,269)
Net cash provided by (used in) financing activities		222,671
Net increase (decrease) in cash and cash equivalents		15,261
Cash, restricted cash, cash equivalents, beginning of year	15,764	503
Cash, restricted cash, cash equivalents, end of year		15,764
Combined Guarantor Subsidiaries
OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities		82,769
INVESTING ACTIVITIES:
Capital expenditures		(14,585)
Producing property and other oil and natural gas acquisitions		(382)
Proceeds from disposition of property and equipment		4,772
Net cash provided by (used in) investing activities		(10,195)
FINANCING ACTIVITIES:
Borrowings under line of credit		0
Payments under line of credit		0
Intercompany borrowings (advances), net		(72,642)
Net payments on finance leases		0
Employee taxes paid by withholding shares		0
Bank overdrafts		0
Net cash provided by (used in) financing activities		(72,642)
Net increase (decrease) in cash and cash equivalents		(68)
Cash, restricted cash, cash equivalents, beginning of year	0	68
Cash, restricted cash, cash equivalents, end of year		0
DIP financing costs		0
Exit facility financing costs		0
Combined Non-Guarantor Subsidiaries
OPERATING ACTIVITIES:
Net cash provided by (used in) operating activities		32,922
INVESTING ACTIVITIES:
Capital expenditures		(10,204)
Producing property and other oil and natural gas acquisitions		0
Proceeds from disposition of property and equipment		77
Net cash provided by (used in) investing activities		(10,127)
FINANCING ACTIVITIES:
Borrowings under line of credit		32,100
Payments under line of credit		(32,600)
Intercompany borrowings (advances), net		(898)
Net payments on finance leases		(2,757)
Employee taxes paid by withholding shares		0
Bank overdrafts		(1,464)
Net cash provided by (used in) financing activities		(5,619)
Net increase (decrease) in cash and cash equivalents		17,176
Cash, restricted cash, cash equivalents, beginning of year	$ 17,176	0
Cash, restricted cash, cash equivalents, end of year		17,176
DIP financing costs		0
Exit facility financing costs		0
Parent Company [Member]
FINANCING ACTIVITIES:
DIP financing costs		(990)
Exit facility financing costs		$ (3,225)