Consolidated Statements of Operations - USD ($) shares in Thousands, $ in Thousands	1 Months Ended	11 Months Ended	12 Months Ended
	Dec. 31, 2020	Nov. 19, 2020	Dec. 31, 2021	Dec. 31, 2019
Revenues
Total revenues	$ 106,993	$ 845,457	$ 1,579,926	$ 1,930,797
Operating expenses
Lease operating expenses	22,517	160,406	203,933	288,690
Gathering, processing and transportation expenses	13,198	117,884	122,614	174,026
Production taxes	5,938	45,439	76,835	112,592
Depreciation, depletion and amortization	13,789	271,002	126,436	771,640
Impairment	0	4,825,530	3	10,257
General and administrative expenses	14,803	144,700	80,688	128,595
Litigation settlement	0	22,750	0	20,000
Total operating expenses	90,523	5,827,452	993,288	2,016,517
Gain (loss) on sale of properties	11	10,396	222,806	(4,455)
Operating income (loss)	16,481	(4,971,599)	809,444	(90,175)
Other income (expense)
Net gain (loss) on derivative instruments	(84,615)	233,565	(589,641)	(106,314)
Interest expense, net of capitalized interest	(2,020)	(141,836)	(30,806)	(159,287)
Gain on extinguishment of debt	0	83,867	0	4,312
Reorganization items, net	0	665,916	0	0
Other income (expense)	(401)	1,271	(1,010)	569
Total other income (expense), net	(87,036)	842,783	(621,457)	(260,720)
Income (loss) from continuing operations	(70,555)	(4,128,816)	187,987	(350,895)
Income tax benefit	3,447	262,962	973	32,715
Net income (loss) from continuing operations	(67,108)	(3,865,854)	188,960	(318,180)
Income from discontinued operations attributable to Oasis, net of income tax	17,196	225,526	130,642	189,937
Net income (loss) attributable to Oasis	$ (49,912)	$ (3,640,328)	$ 319,602	$ (128,243)
Earnings (loss) attributable to Oasis per share:
Basic from continuing operations (in usd per share)	$ (3.36)	$ (12.17)	$ 9.55	$ (1.01)
Basic from discontinued operations (in usd per share)	0.86	0.71	6.60	0.60
Basic (in dollars per share)	(2.50)	(11.46)	16.15	(0.41)
Diluted from continuing operations (in usd per share)	(3.36)	(12.17)	9.15	(1.01)
Diluted from discontinued operations (in usd per share)	0.86	0.71	6.33	0.60
Diluted (in dollars per share)	$ (2.50)	$ (11.46)	$ 15.48	$ (0.41)
Weighted average shares outstanding:
Basic (in shares)	19,991	317,644	19,792	315,002
Diluted (in shares)	19,991	317,644	20,648	315,002
Oil and gas
Revenues
Total revenues	$ 86,145	$ 601,510	$ 1,200,256	$ 1,407,809
Operating expenses
Exploration expenses	0	2,748	2,760	6,658
Rig termination	0	1,279	0	384
Purchased oil and gas
Revenues
Total revenues	20,633	237,111	378,983	481,014
Operating expenses
Operating expenses	20,278	229,056	379,972	474,914
Other Services
Revenues
Total revenues	215	6,836	687	41,974
Operating expenses
Operating expenses	$ 0	$ 6,658	$ 47	$ 28,761