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Fresh start Accounting - Enterprise Value to Implied Value and Reorganization Value (Details) $ in Thousands	11 Months Ended
	Nov. 19, 2020 USD ($) shares
Fresh-Start Adjustment [Line Items]
Enterprise value	$ 1,300,000
Plus: Cash	5,615
Fair value of Oasis share and Successor stockholders' equity	965,615
Plus: Fair value of non-controlling interests	92,816
Fair value of total Successor stockholders’ equity	1,058,431
Plus: Current liabilities	305,592
Plus: Asset retirement obligations (non-current portion)	45,986
Plus: Other non-current liabilities	32,482
Reorganization value of Successor assets	2,237,991
Cash attributable to OMP	4,500
Restricted cash	1,400
Restricted cash related to professional fees	$ 10,400
Warrants to purchase of number of shares (in shares) | shares	1,621,622
Oasis Credit Facility
Fresh-Start Adjustment [Line Items]
Less: Fair value of Credit Facility	$ (340,000)
OMP Credit Facility
Fresh-Start Adjustment [Line Items]
Less: Fair value of Credit Facility	$ 455,500

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