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Equity-Based Compensation - Additional Information (Details) $ / shares in Units, $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2019 USD ($) shares | Jun. 30, 2018 USD ($) | Jun. 30, 2019 USD ($) day $ / shares shares | Jun. 30, 2018 USD ($)
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Equity-based compensation expenses | $ |  |  | $ 17,924 | $ 14,130
Restricted Stock |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  |  | 3 years |
Stock granted (in shares) | shares |  |  | 4,035,175 |
Granted, weighted average grant date fair value per unit (in usd per share) | $ / shares |  |  | $ 6.62 |
Equity-based compensation expenses | $ | $ 6,300 | $ 4,900 | $ 12,600 | 9,600
Performance Share Unit Awards |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock granted (in shares) | shares |  |  | 1,685,090 |
Granted, weighted average grant date fair value per unit (in usd per share) | $ / shares |  |  | $ 6.80 |
Equity-based compensation expenses | $ | $ 2,500 | 2,300 | $ 5,000 | 4,200
Right to received shares of common stock (in shares) | shares | 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) |  |  | 200.00% |
Phantom Units |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Stock granted (in shares) | shares |  |  | 341,290 |
Restricted Stock Units (RSUs) |  |  |  |
Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |  |  |  |
Award vesting period |  |  | 1 year |
Stock granted (in shares) | shares |  |  | 16,170 |
Granted, weighted average grant date fair value per unit (in usd per share) | $ / shares |  |  | $ 18.57 |
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 |  |  | $ 18.57 |
Equity-based compensation expenses | $ | $ 800 | 100 | $ 1,500 | 200
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 | $ 200 | $ 200

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