Condensed Consolidated Statements of Operations (Unaudited) - USD ($) $ in Thousands	1 Months Ended	2 Months Ended	3 Months Ended		8 Months Ended	9 Months Ended
	Sep. 30, 2020	Aug. 31, 2020	Sep. 30, 2021		Aug. 31, 2020	Sep. 30, 2021
Revenues:
Revenues	$ 32,846	$ 65,574	$ 163,248		$ 276,957	$ 418,202
Operating costs:
Operating costs	19,515	38,720	99,188		237,546	244,494
Depreciation, depletion, and amortization	7,467	17,919	15,294		115,496	49,169
Impairments (Note 3)	13,237	16,572	0		867,814	0
Loss on abandonment of assets (Note 3)	0	1,179	0		18,733	0
General and administrative	1,582	5,399	5,126		42,766	18,046
(Gain) loss on disposition of assets	(222)	(1,356)	(4,031)		(89)	(6,213)
Total operating expenses	41,579	78,433	115,577		1,282,266	305,496
Income (loss) from operations	(8,733)	(12,859)	47,671		(1,005,309)	112,706
Other income (expense):
Interest, net	(826)	(1,959)	(702)		(22,824)	(3,895)
Write-off of debt issuance costs	0	0	0		(2,426)	0
Gain (loss) on derivatives	3,939	(4,250)	(39,742)		(10,704)	(104,973)
Loss on change in fair value of warrants	0	0	(9,054)		0	(12,628)
Reorganization Items	(1,155)	141,002	(971)		133,975	(3,959)
Other, net	39	1,931	(7)		2,034	(762)
Total other income (expense)	1,997	136,724	(50,476)		100,055	(126,217)
Income (loss) before income taxes	(6,736)	123,865	(2,805)		(905,254)	(13,511)
Income tax benefit:
Current	0	0	0		(917)	0
Deferred	0	(4,750)	0		(13,713)	0
Total income taxes	0	(4,750)	0		(14,630)	0
Net income (loss)	(6,736)	128,615	(2,805)	[1]	(890,624)	(13,511)
Net income (loss) attributable to non-controlling interest	2,232	73,484	(9,100)		40,388	(4,875)
Net income (loss) attributable to Unit Corporation	$ (8,968)	$ 55,131	$ 6,295		$ (931,012)	$ (8,636)
Net income (loss) attributable to Unit Corporation per common share (Note 6):
Basic	$ (0.75)	$ 1.03	$ 0.56		$ (17.45)	$ (0.74)
Diluted	$ (0.75)	$ 1.03	$ 0.55		$ (17.45)	$ (0.74)
Drilling [Member]
Operating costs:
(Gain) loss on disposition of assets	$ (200)	$ (1,300)	$ (3,100)		$ (1,400)	$ (5,200)
Operating Segments [Member] | Oil and Natural Gas [Member]
Revenues:
Revenues	13,644	27,962	66,202		103,443	181,003
Operating costs:
Operating costs	6,892	15,895	22,022		119,664	58,365
Depreciation, depletion, and amortization	4,199	9,975	5,311		68,762	19,442
Impairments (Note 3)	13,237	16,572			393,726	0
Loss on abandonment of assets (Note 3)		87			17,641
General and administrative	0	0	0		0	0
(Gain) loss on disposition of assets	(10)	(102)	(14)		(160)	(101)
Other income (expense):
Interest, net	0	0	0		0	0
Write-off of debt issuance costs					0
Gain (loss) on derivatives	0	0	0		0	0
Loss on change in fair value of warrants			0			0
Reorganization Items	0	15,504	0		15,504	0
Other, net	29	428	51		458	140
Income (loss) before income taxes	(10,645)	1,467	38,934		(480,228)	103,437
Operating Segments [Member] | Drilling [Member]
Revenues:
Revenues	4,414	7,685	19,158		73,519	52,893
Operating costs:
Operating costs	2,989	5,410	15,357		51,811	41,308
Depreciation, depletion, and amortization	526	853	1,576		15,544	4,721
Impairments (Note 3)	0	0			410,126	0
Loss on abandonment of assets (Note 3)		1,092			1,092
General and administrative	0	0	0		0	0
(Gain) loss on disposition of assets	(212)	(1,251)	(3,091)		(1,390)	(5,237)
Other income (expense):
Interest, net	0	0	0		0	0
Write-off of debt issuance costs					0
Gain (loss) on derivatives	0	0	0		0	0
Loss on change in fair value of warrants			0			0
Reorganization Items	0	(183,664)	0		(183,664)	0
Other, net	1	1,426	(34)		1,449	(17)
Income (loss) before income taxes	1,112	(180,657)	5,282		(585,879)	12,084
Operating Segments [Member] | Mid-Stream [Member]
Revenues:
Revenues	17,284	34,132	92,022		114,531	217,954
Operating costs:
Operating costs	12,130	21,620	76,823		80,607	181,109
Depreciation, depletion, and amortization	2,658	6,750	8,143		29,371	24,238
Impairments (Note 3)	0	0			63,962	0
Loss on abandonment of assets (Note 3)		0			0
General and administrative	0	0	0		0	0
(Gain) loss on disposition of assets	0	(3)	0		(18)	75
Other income (expense):
Interest, net	(137)	(828)	(250)		(1,888)	(666)
Write-off of debt issuance costs					0
Gain (loss) on derivatives	0	0	0		0	0
Loss on change in fair value of warrants			0			0
Reorganization Items	0	(71,016)	0		(71,016)	0
Other, net	8	11	(24)		50	(863)
Income (loss) before income taxes	2,367	(66,068)	6,782		(132,245)	11,003
Corporate, Non-Segment | Corporate and Other
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Depreciation, depletion, and amortization	84	341	264		1,819	768
Impairments (Note 3)	0	0			0	0
Loss on abandonment of assets (Note 3)		0			0
General and administrative	1,582	5,399	4,246		42,766	15,406
(Gain) loss on disposition of assets	0	0	(926)		1,479	(950)
Other income (expense):
Interest, net	(689)	(1,131)	(452)		(20,936)	(3,229)
Write-off of debt issuance costs					(2,426)
Gain (loss) on derivatives	3,939	(4,250)	(39,742)		(10,704)	(104,973)
Loss on change in fair value of warrants			(9,054)			(12,628)
Reorganization Items	(1,155)	380,178	(971)		373,151	(3,959)
Other, net	1	66	0		77	(22)
Income (loss) before income taxes	430	369,123	(53,803)		293,098	(140,035)
Intersegment Eliminations
Revenues:
Revenues	(2,496)	(4,205)	(14,134)		(14,536)	(33,648)
Operating costs:
Operating costs	(2,496)	(4,205)	(15,014)		(14,536)	(36,288)
Depreciation, depletion, and amortization	0	0	0		0	0
Impairments (Note 3)	0	0			0	0
Loss on abandonment of assets (Note 3)		0			0
General and administrative	0	0	880		0	2,640
(Gain) loss on disposition of assets	0	0	0		0	0
Other income (expense):
Interest, net	0	0	0		0	0
Write-off of debt issuance costs					0
Gain (loss) on derivatives	0	0	0		0	0
Loss on change in fair value of warrants			0			0
Reorganization Items	0	0	0		0	0
Other, net	0	0	0		0	0
Income (loss) before income taxes	0	0	0		0	0
Oil and natural gas
Revenues:
Revenues	13,643	27,961	52,880		103,439	149,874
Operating costs:
Operating costs	6,674	15,488	21,210		117,691	55,846
Oil and natural gas | Operating Segments [Member] | Oil and Natural Gas [Member]
Revenues:
Revenues	13,644	27,962	66,202		103,443	181,003
Operating costs:
Operating costs	6,892	15,895	22,022		119,664	58,365
Oil and natural gas | Operating Segments [Member] | Drilling [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Oil and natural gas | Operating Segments [Member] | Mid-Stream [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Oil and natural gas | Corporate, Non-Segment | Corporate and Other
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Oil and natural gas | Intersegment Eliminations
Revenues:
Revenues	(1)	(1)	(13,322)		(4)	(31,129)
Operating costs:
Operating costs	(218)	(407)	(812)		(1,973)	(2,519)
Contract drilling
Revenues:
Revenues	4,414	7,685	19,158		73,519	52,893
Operating costs:
Operating costs	2,989	5,410	15,357		51,810	41,308
Contract drilling | Operating Segments [Member] | Oil and Natural Gas [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Contract drilling | Operating Segments [Member] | Drilling [Member]
Revenues:
Revenues	4,414	7,685	19,158		73,519	52,893
Operating costs:
Operating costs	2,989	5,410	15,357		51,811	41,308
Contract drilling | Operating Segments [Member] | Mid-Stream [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Contract drilling | Corporate, Non-Segment | Corporate and Other
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Contract drilling | Intersegment Eliminations
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		(1)	0
Gas gathering and processing
Revenues:
Revenues	14,789	29,928	91,210		99,999	215,435
Operating costs:
Operating costs	9,852	17,822	62,621		68,045	147,340
Gas gathering and processing | Operating Segments [Member] | Oil and Natural Gas [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Gas gathering and processing | Operating Segments [Member] | Drilling [Member]
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Gas gathering and processing | Operating Segments [Member] | Mid-Stream [Member]
Revenues:
Revenues	17,284	34,132	92,022		114,531	217,954
Operating costs:
Operating costs	12,130	21,620	76,823		80,607	181,109
Gas gathering and processing | Corporate, Non-Segment | Corporate and Other
Revenues:
Revenues	0	0	0		0	0
Operating costs:
Operating costs	0	0	0		0	0
Gas gathering and processing | Intersegment Eliminations
Revenues:
Revenues	(2,495)	(4,204)	(812)		(14,532)	(2,519)
Operating costs:
Operating costs	$ (2,278)	$ (3,798)	$ (14,202)		$ (12,562)	$ (33,769)

[1] Includes a one-time adjustment to correct an error discovered in our second quarter 2021 allocation of earnings from consolidated subsidiaries, as described in Note 2 - Summary Of Significant Accounting Policies.