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Fresh Start Accounting - Cumulative Impact on Reorganizations Adjustments (Details) - USD ($) $ in Thousands		1 Months Ended	11 Months Ended
	Nov. 19, 2020	Dec. 31, 2020	Nov. 19, 2020	Dec. 31, 2021
Reorganization, Chapter 11 [Line Items]
Gain on settlement of liabilities subject to compromise		$ 934,284
Write-off of Specified Default Interest	$ 28,000
Write-off of Predecessor Credit Facility deferred financing costs			$ (200)
Net income from reorganization adjustments attributable to Oasis			948,109
Cancellation of accumulated deficit	3,086,292		3,086,292
Net impact to Predecessor retained earnings (accumulated deficit)	0	$ (49,912)	0	$ 269,690
Continuing Operations
Reorganization, Chapter 11 [Line Items]
Gain on settlement of liabilities subject to compromise			934,284
Gain on debt discharge			964,569
Professional fees incurred on the Emergence Date			(7,869)
Write-off of Predecessor Credit Facility deferred financing costs			(243)
Total reorganization items from reorganization adjustments			956,457
Equity-based compensation expense for vesting of awards on Emergence Date			(13,197)
Vesting of prepaid cash incentive compensation			(4,325)
Income from reorganization adjustments from continuing operations before income taxes			938,935
Income tax expense			(9,746)
Net income from reorganization adjustments from continuing operations			929,189
Discontinued Operations
Reorganization, Chapter 11 [Line Items]
Gain on debt discharge			28,014
Reorganization Value, Net Income (Loss) From Reorganization Adjustments Attributable to Noncontrolling Interest			9,094
Net income from reorganization adjustments from continuing operations			18,920
Reorganization Adjustments
Reorganization, Chapter 11 [Line Items]
Net impact to Predecessor retained earnings (accumulated deficit)	4,034,401		4,034,401
Revolving credit facility | Line of credit
Reorganization, Chapter 11 [Line Items]
Write-off of Specified Default Interest	$ 30,300
Revolving credit facility | Line of credit | Continuing Operations
Reorganization, Chapter 11 [Line Items]
Write-off of Specified Default Interest			$ 30,285

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