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Equity-Based Compensation - Additional Information (Details) $ in Thousands	1 Months Ended	3 Months Ended		6 Months Ended
	Jun. 30, 2020 USD ($) shares	Jun. 30, 2020 USD ($) shares	Jun. 30, 2019 USD ($)	Jun. 30, 2020 USD ($) day shares	Jun. 30, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense (benefit)		$ 4,890	$ 8,911	$ 11,697	$ 17,924
Right to received shares of common stock (in shares) | shares	1	1		1
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense (benefit)		$ 3,000	6,300	$ 7,400	12,600
Award vesting period				3 years
Performance Share Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense (benefit)		$ 1,900	2,500	$ 4,100	5,000
Right to received shares of common stock (in shares) | shares	1	1		1
Number of trading days | day				30
Performance Share Unit Awards | Minimum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU granted percentage of earnings (as a percent)				0.00%
Performance Share Unit Awards | Maximum
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
PSU granted percentage of earnings (as a percent)				240.00%
Phantom Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				3 years
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period				1 year
Oasis Midstream Partners, LP | Phantom Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense (benefit)		$ 400	800	$ (200)	1,500
OMP General Partner LLC | Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expense (benefit)		$ 100	$ 100	$ 100	$ 200
2020 Incentive Compensation Program
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments made under the Incentive Compensation Program	$ 15,600
Percentage of target amount under the Incentive Compensation Program paid (percent)	50.00%	50.00%		50.00%
Expected payment period for remainder of payments				12 months
Capitalized after-tax value of cash incentives paid	$ 8,800	$ 8,800		$ 8,800
Equity-based compensation expense (benefit)		400		400
2020 Incentive Compensation Program | Officers and Certain Other Senior Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Amount expenses for cash incentives paid not subject to clawback provisions		4,100		4,100
2020 Incentive Compensation Program | All Other Employees
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Payments made under the Incentive Compensation Program	$ 2,700
Excess of cash retention payments over amounts previously recognized		$ 2,100		$ 2,100

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