Equity-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands	3 Months Ended
Mar. 31, 2020 USD ($) day $ / shares shares	Mar. 31, 2019 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expenses \| $	$ 6,807	$ 9,013
Right to received shares of common stock (in shares)	1
Restricted Stock
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	3 years
Stock granted (in shares)	3,505,629
Granted, weighted average grant date fair value per unit (in usd per share) \| $ / shares	$ 3.36
Equity-based compensation expenses \| $	$ 4,400	6,400
Performance Share Unit Awards
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Stock granted (in shares)	2,429,747
Granted, weighted average grant date fair value per unit (in usd per share) \| $ / shares	$ 2.77
Equity-based compensation expenses \| $	$ 2,300	2,500
Right to received shares of common stock (in shares)	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
Stock granted (in shares)	241,720
Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Award vesting period	1 year
Stock granted (in shares)	16,170
Granted, weighted average grant date fair value per unit (in usd per share) \| $ / shares	$ 16.69
Oasis Midstream Partners, LP \| Phantom Units
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Granted, weighted average grant date fair value per unit (in usd per share) \| $ / shares	$ 16.69
Equity-based compensation expenses \| $	$ 600	700
OMP General Partner LLC \| Restricted Stock Units (RSUs)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]
Equity-based compensation expenses \| $	$ 100	$ 100

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Percentage Of Performance Share Awards Based On Shareholder Return

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Amount of noncash expense for share-based payment arrangement.

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The number of grants made during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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The weighted average fair value at grant date for nonvested equity-based awards issued during the period on other than stock (or unit) option plans (for example, phantom stock or unit plan, stock or unit appreciation rights plan, performance target plan).

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