INDUSTRY SEGMENT INFORMATION (Revenue From Different Segments) (Details) - USD ($) $ in Thousands	3 Months Ended		4 Months Ended		8 Months Ended		12 Months Ended
	Dec. 31, 2020		Dec. 31, 2020		Aug. 31, 2020		Dec. 31, 2021		Dec. 31, 2020		Sep. 01, 2020
Revenues:
Revenues			$ 133,528	[1]	$ 276,957	[2]	$ 638,716
Operating costs:
Operating costs			81,277		237,546		375,581
Depreciation, depletion, and amortization			27,962		115,496		64,326
Impairments (Note 4)			26,063	[3]	867,814	[4]	10,673
Total expenses			135,302		1,220,856		450,580
Loss on abandonment of assets (Note 4)			0		(18,733)		0
General and administrative			6,702		42,766		24,915
Gain (Loss) on Disposition of Assets			(619)		(89)		(10,877)
Income (loss) from operations			(7,857)		(1,005,309)		174,098
Gain (loss) on derivatives (Note 17)			(985)		(10,704)		(97,615)
Loss on change in fair value of warrants (Note 17)			0		0		(18,937)
Write-off of debt issuance costs			0		2,426		0
Total reorganization items, net			2,273		(133,975)		4,294
Interest expense, net			(3,275)		(22,824)		(4,266)
Other			100		2,034		(597)
Income (loss) before income taxes			(14,290)		(905,254)		48,389
Identifiable assets:
Oil and natural gas	$ 232,747	[5]	232,747	[5]			198,879		$ 232,747	[5]
Contract drilling	81,608		81,608				78,476		81,608
Gas gathering and processing	293,297		293,297				290,336		293,297
Total identifiable assets	607,652	[6]	607,652	[6]			567,691		607,652	[6]
Corporate land and building	32,382		32,382				0		32,382
Other corporate assets	9,669	[7]	9,669	[7]			61,786		9,669	[7]
Total assets	649,703	[8]	649,703	[8]			629,477	[8]	649,703	[8]	$ 726,343
Capital expenditures:
Total capital expenditures			5,960		17,213		45,285
Ceiling test write-down									393,700
Non-cash ceiling test write-down net of tax					346,600				346,600
Oil and Natural Gas
Capital expenditures:
Ceiling test write-down			26,100		393,700
Mid-Stream
Capital expenditures:
Impairment of Long-Lived Assets Held-for-use	10,700								64,000
Oil and Natural Gas
Revenues:
Revenues			57,578	[1]	103,439	[2]	224,232
Operating costs:
Operating costs			25,256		117,691		79,924
Contract drilling
Revenues:
Revenues			19,413	[1]	73,519	[2]	76,107
Operating costs:
Operating costs			13,852		51,810		60,973
Gas gathering and processing
Revenues:
Revenues			56,537	[1]	99,999	[2]	338,377
Operating costs:
Operating costs			42,169		68,045		234,684
Intersubsegment Eliminations
Revenues:
Revenues			(11,834)	[1]	(14,536)	[2]	(51,296)
Operating costs:
Operating costs			(11,833)		(14,536)		(54,812)
Depreciation, depletion, and amortization			0		0		0
Impairments (Note 4)			0	[3]	0	[4]	0
Total expenses			(11,833)		(14,536)		(54,812)
Loss on abandonment of assets (Note 4)					0
General and administrative			0		0		3,516
Gain (Loss) on Disposition of Assets			0		0		0
Income (loss) from operations			(1)		0		0
Gain (loss) on derivatives (Note 17)			0		0		0
Loss on change in fair value of warrants (Note 17)							0
Write-off of debt issuance costs					0
Total reorganization items, net			0		0		0
Interest expense, net			0		0		0
Other			0		0		0
Income (loss) before income taxes			(1)		0		0
Identifiable assets:
Oil and natural gas	(3,326)	[5]	(3,326)	[5]			(4,917)		(3,326)	[5]
Contract drilling	(4)		(4)				(78)		(4)
Gas gathering and processing	(335)		(335)				(269)		(335)
Total identifiable assets	(3,665)	[6]	(3,665)	[6]			(5,264)		(3,665)	[6]
Corporate land and building	0		0				0		0
Other corporate assets	(4,002)	[7]	(4,002)	[7]			(4,441)		(4,002)	[7]
Total assets	(7,667)		(7,667)				(9,705)		(7,667)
Capital expenditures:
Total capital expenditures			0		0		0
Intersubsegment Eliminations | Oil and Natural Gas
Revenues:
Revenues			(2)	[1]	(4)	[2]	(47,999)
Operating costs:
Operating costs			(855)		(1,973)		(3,297)
Intersubsegment Eliminations | Contract drilling
Revenues:
Revenues			0	[1]	0	[2]
Operating costs:
Operating costs			0		(1)		0
Intersubsegment Eliminations | Gas gathering and processing
Revenues:
Revenues			(11,832)	[1]	(14,532)	[2]	(3,297)
Operating costs:
Operating costs			(10,978)		(12,562)		(51,515)
Oil and Natural Gas
Revenues:
Revenues			57,580	[1]	103,443	[2]	272,231
Operating costs:
Operating costs			26,111		119,664		83,221
Depreciation, depletion, and amortization			14,869		68,762		24,612
Impairments (Note 4)			26,063	[3]	393,726	[4]	0
Total expenses			67,043		582,152		107,833
Loss on abandonment of assets (Note 4)					(17,641)
General and administrative			0		0		0
Gain (Loss) on Disposition of Assets			(24)		(160)		171
Income (loss) from operations			(9,439)		(496,190)		164,227
Gain (loss) on derivatives (Note 17)			0		0		0
Loss on change in fair value of warrants (Note 17)							0
Write-off of debt issuance costs					0
Total reorganization items, net			0		(15,504)		0
Interest expense, net			0		0		0
Other			56		458		187
Income (loss) before income taxes			(9,383)		(480,228)		164,414
Identifiable assets:
Oil and natural gas	236,073	[5]	236,073	[5]			203,796		236,073	[5]
Contract drilling	0		0				0		0
Gas gathering and processing	0		0				0		0
Total identifiable assets	236,073	[6]	236,073	[6]			203,796		236,073	[6]
Corporate land and building	0		0				0		0
Other corporate assets	0	[7]	0	[7]			0		0	[7]
Total assets	236,073		236,073				203,796		236,073
Capital expenditures:
Total capital expenditures			4,018		5,350		17,752
Oil and Natural Gas | Oil and Natural Gas
Revenues:
Revenues			57,580	[1]	103,443	[2]	272,231
Operating costs:
Operating costs			26,111		119,664		83,221
Oil and Natural Gas | Contract drilling
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Oil and Natural Gas | Gas gathering and processing
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Drilling
Revenues:
Revenues			19,413	[1]	73,519	[2]	76,107
Operating costs:
Operating costs			13,852		51,811		60,973
Depreciation, depletion, and amortization			2,102		15,544		6,308
Impairments (Note 4)			0	[3]	410,126	[4]	0
Total expenses			15,954		477,481		67,281
Loss on abandonment of assets (Note 4)					(1,092)
General and administrative			0		0		0
Gain (Loss) on Disposition of Assets			(521)		(1,390)		(10,143)
Income (loss) from operations			3,980		(403,664)		18,969
Gain (loss) on derivatives (Note 17)			0		0		0
Loss on change in fair value of warrants (Note 17)							0
Write-off of debt issuance costs					0
Total reorganization items, net			0		183,664		0
Interest expense, net			0		0		0
Other			4		1,449		57
Income (loss) before income taxes			3,984		(585,879)		19,026
Identifiable assets:
Oil and natural gas	0	[5]	0	[5]			0		0	[5]
Contract drilling	81,612		81,612				78,554		81,612
Gas gathering and processing	0		0				0		0
Total identifiable assets	81,612	[6]	81,612	[6]			78,554		81,612	[6]
Corporate land and building	0		0				0		0
Other corporate assets	0	[7]	0	[7]			0		0	[7]
Total assets	81,612		81,612				78,554		81,612
Capital expenditures:
Total capital expenditures			616		2,438		2,877
Drilling | Oil and Natural Gas
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Drilling | Contract drilling
Revenues:
Revenues			19,413	[1]	73,519	[2]	76,107
Operating costs:
Operating costs			13,852		51,811		60,973
Drilling | Gas gathering and processing
Revenues:
Revenues			0	[1]	0	[2]
Operating costs:
Operating costs			0		0		0
Mid-Stream
Revenues:
Revenues			68,369	[1]	114,531	[2]	341,674
Operating costs:
Operating costs			53,147		80,607		286,199
Depreciation, depletion, and amortization			10,659		29,371		32,566
Impairments (Note 4)			0	[3]	63,962	[4]	10,673
Total expenses			63,806		173,940		329,438
Loss on abandonment of assets (Note 4)					0
General and administrative			0		0		0
Gain (Loss) on Disposition of Assets			(55)		(18)		49
Income (loss) from operations			4,618		(59,391)		12,187
Gain (loss) on derivatives (Note 17)			0		0		0
Loss on change in fair value of warrants (Note 17)							0
Write-off of debt issuance costs					0
Total reorganization items, net			0		71,016		0
Interest expense, net			(501)		(1,888)		(924)
Other			34		50		(844)
Income (loss) before income taxes			4,151		(132,245)		10,419
Identifiable assets:
Oil and natural gas	0	[5]	0	[5]			0		0	[5]
Contract drilling	0		0				0		0
Gas gathering and processing	293,632		293,632				290,605		293,632
Total identifiable assets	293,632	[6]	293,632	[6]			290,605		293,632	[6]
Corporate land and building	0		0				0		0
Other corporate assets	0	[7]	0	[7]			0		0	[7]
Total assets	293,632		293,632				290,605		293,632
Capital expenditures:
Total capital expenditures			1,323		9,342		24,316
Mid-Stream | Oil and Natural Gas
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Mid-Stream | Contract drilling
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Mid-Stream | Gas gathering and processing
Revenues:
Revenues			68,369	[1]	114,531	[2]	341,674
Operating costs:
Operating costs			53,147		80,607		286,199
Corporate and Other
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Depreciation, depletion, and amortization			332		1,819		840
Impairments (Note 4)			0	[3]	0	[4]	0
Total expenses			332		1,819		840
Loss on abandonment of assets (Note 4)					0
General and administrative			6,702		42,766		21,399
Gain (Loss) on Disposition of Assets			(19)		1,479		(954)
Income (loss) from operations			(7,015)		(46,064)		(21,285)
Gain (loss) on derivatives (Note 17)			(985)		(10,704)		(97,615)
Loss on change in fair value of warrants (Note 17)							(18,937)
Write-off of debt issuance costs					2,426
Total reorganization items, net			2,273		(373,151)		4,294
Interest expense, net			(2,774)		(20,936)		(3,342)
Other			6		77		3
Income (loss) before income taxes			(13,041)		293,098		(145,470)
Identifiable assets:
Oil and natural gas	0	[5]	0	[5]			0		0	[5]
Contract drilling	0		0				0		0
Gas gathering and processing	0		0				0		0
Total identifiable assets	0	[6]	0	[6]			0		0	[6]
Corporate land and building	32,382		32,382				0		32,382
Other corporate assets	13,671	[7]	13,671	[7]			66,227		13,671	[7]
Total assets	$ 46,053		46,053				66,227		$ 46,053
Capital expenditures:
Total capital expenditures			3		83		340
Corporate and Other | Oil and Natural Gas
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Corporate and Other | Contract drilling
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			0		0		0
Corporate and Other | Gas gathering and processing
Revenues:
Revenues			0	[1]	0	[2]	0
Operating costs:
Operating costs			$ 0		$ 0		$ 0

[1] The revenues for oil and natural gas occur at a point in time. The revenues for contract drilling and gas gathering and processing occur over time.

[2] The revenues for oil and natural gas occur at a point in time. The revenues for contract drilling and gas gathering and processing occur over time.

[3] During the Successor Period of 2020, we recorded non-cash ceiling test write-downs on our oil and natural gas properties of $26.1 million pre-tax

[4] During the Predecessor Period of 2020, we recorded non-cash ceiling test write-downs on our oil and natural gas properties of $393.7 million, pre-tax ($346.6 million, net of tax). Impairment for contract drilling equipment includes a $410.1 million pre-tax write-down for SCR drilling rigs and other drilling equipment. Impairment for mid-stream assets includes a $10.7 million pre-tax write-down for certain long-lived asset groups. 3.Oil and natural gas assets include oil and natural gas properties, saltwater disposal systems, and other non-full cost pool assets. 4.Identifiable assets are those used in Unit’s operations in each industry segment. 5.Other corporate assets are principally cash and cash equivalents, short-term investments, transportation equipment, furniture, and equipment.

[5] Oil and natural gas assets include oil and natural gas properties, saltwater disposal systems, and other non-full cost pool assets.

[6] Identifiable assets are those used in Unit’s operations in each industry segment.

[7] Other corporate assets are principally cash and cash equivalents, short-term investments, transportation equipment, furniture, and equipment.

[8] Unit Corporation's consolidated total assets as of December 31, 2021 include current and long-term assets of its variable interest entity (VIE) (Superior) of $61.1 million and $229.5 million, respectively, which can only be used to settle obligations of the VIE. Unit Corporation's consolidated cash and cash equivalents of $64.1 million as of December 31, 2021 includes $17.2 million held by Superior. Unit Corporation's consolidated total assets as of December 31, 2020 include current and long-term assets of its variable interest entity (VIE) (Superior) of $45.8 million and $247.8 million, respectively, which can only be used to settle obligations of the VIE. Unit Corporation's consolidated cash and cash equivalents of $12.1 million as of December 31, 2020 includes $11.6 million held by Superior.