Earnings (Loss) Per Share (Schedule of Earnings (Loss) Per Share) (Details) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		12 Months Ended
	Mar. 31, 2023	Mar. 31, 2022	Dec. 31, 2022	Dec. 31, 2021	Apr. 07, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Earnings (loss) of basic income (loss) attributable to Unit Corporation per common share	$ 134,650	$ (46,877)	$ 148,400	$ 60,600
Net Income (Loss) Available to Common Stockholders, Diluted	$ 134,650	$ (46,877)
Weighted shares of basic earnings (loss) attributable to Unit Corporation per common share	9,667,000	10,050,000
Weighted Average Number of Shares Outstanding, Diluted	9,795,000	10,050,000
Per-Share amount of basic earnings (loss) attributable to Unit Corporation per common share	$ 13.93	$ (4.66)
Income of effect of dilutive stock options and restricted stock	$ 0	$ 0
Weighted shares of effect of dilutive stock options and restricted stock	128,000	0
Per-Share amount of effect of dilutive stock options and restricted stock	$ (0.18)	$ 0
Diluted	$ 13.75	$ (4.66)
Antidilutive securities excluded from computation of earnings (loss) per share	1,815,410
Exercise price of warrants (in dollars per share)					$ 63.74
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings (loss) per share		368,126
Exercise price of warrants (in dollars per share)		$ 45.00
Restricted Stock Units (RSUs)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings (loss) per share		319,192
Stock Options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Antidilutive securities excluded from computation of earnings (loss) per share		1,822,203
Exercise price of warrants (in dollars per share)		$ 63.74