Consolidated Statements of Operations - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Revenues
Oil and natural gas	$ 423,059	$ 357,744	$ 294,221
Contract drilling	196,492	174,720	122,086
Gas gathering and processing	223,730	207,176	185,870
Total revenues	843,281	739,640	602,177
Expenses:
Oil and natural gas	131,675	130,789	120,184
Contract drilling	131,385	122,600	88,154
Gas gathering and processing	167,836	155,483	137,609
Total operating costs	430,896	408,872	345,947
Depreciation, depletion, and amortization	243,605	209,257	208,353
Impairments (Note 2)	147,884	0	161,563
General and administrative	38,707	38,087	33,337
Gain on disposition of assets	(704)	(327)	(2,540)
Total operating expenses	860,388	655,889	746,660
Income (loss) from operations	(17,107)	83,751	(144,483)
Other income (expense):
Interest, net	(33,494)	(38,334)	(39,829)
Gain (loss) on derivatives	(3,184)	14,732	(22,813)
Other	22	21	307
Total other income (expense)	(36,656)	(23,581)	(62,335)
Income (loss) before income taxes	(53,763)	60,170	(206,818)
Income tax expense (benefit):
Current	(3,131)	5	15
Deferred	(10,865)	(57,683)	(71,209)
Total income taxes	(13,996)	(57,678)	(71,194)
Net income (loss)	(39,767)	117,848	(135,624)
Net income attributable to non-controlling interest	5,521	0	0
Net income (loss) attributable to Unit Corporation	$ (45,288)	$ 117,848	$ (135,624)
Net income (loss) attributable to Unit Corporation per share:
Basic	$ (0.87)	$ 2.31	$ (2.71)
Diluted	$ (0.87)	$ 2.28	$ (2.71)