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v3.19.2

Long-Term Debt - Additional Information (Details) | 3 Months Ended | 6 Months Ended |  |  |  |
--- | --- | --- | --- | --- | --- | ---
Jun. 30, 2019 USD ($) $ / shares | Jun. 30, 2019 USD ($) day $ / shares | May 06, 2019 USD ($) | May 05, 2019 USD ($) | Apr. 15, 2019 USD ($) | Dec. 31, 2018 USD ($)
Debt Instrument [Line Items] |  |  |  |  |  |
Total long-term debt | $ 2,896,524,000 | $ 2,896,524,000 |  |  |  | $ 2,735,276,000
Unsecured Senior Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Long-term debt, fair value | 1,997,500,000 | 1,997,500,000 |  |  |  |
Credit Facility | Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Line of credit facility amount | 3,000,000,000.0 | 3,000,000,000.0 |  |  |  |
Credit facility borrowing base |  |  |  |  | $ 1,600,000,000.0 |
Line of credit facility, current borrowing capacity |  |  |  |  | 1,350,000,000.0 |
Credit Facility | Revolving Credit Facility | Oasis Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total long-term debt | $ 531,000,000.0 | $ 531,000,000.0 |  |  |  |
Weighted average interest rate (as percent) | 4.20% | 4.20% |  |  |  |
Letters of credit outstanding | $ 14,000,000.0 | $ 14,000,000.0 |  |  |  |
Line of credit facility, remaining borrowing capacity | 805,000,000.0 | 805,000,000.0 |  |  |  |
Credit Facility | Revolving Credit Facility | OMP Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total long-term debt | 408,000,000.0 | 408,000,000.0 |  |  |  |
Credit facility borrowing base | $ 475,000,000.0 | $ 475,000,000.0 | $ 475,000,000.0 | $ 400,000,000.0 |  |
Maximum borrowing capacity subject to certain conditions |  |  | $ 675,000,000.0 |  |  |
Weighted average interest rate (as percent) | 4.20% | 4.20% |  |  |  |
Letters of credit outstanding | $ 8,200,000 | $ 8,200,000 |  |  |  |
Line of credit facility, remaining borrowing capacity | $ 58,800,000 | $ 58,800,000 |  |  |  |
Credit Facility | Revolving Credit Facility | OMP Credit Facility | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Commitment fee percentage |  | 0.375% |  |  |  |
Credit Facility | Revolving Credit Facility | OMP Credit Facility | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Commitment fee percentage |  | 0.50% |  |  |  |
Credit Facility | Revolving Credit Facility | LIBOR | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Commitment fee percentage | 0.50% |  |  |  |  |
Senior Notes | 2022 and 2023 Notes |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total long-term debt | $ 1,267,600,000 | $ 1,267,600,000 |  |  |  |
Senior Notes | Notes [Member] |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Unsecured debt | $ 1,739,400,000 | $ 1,739,400,000 |  |  |  |
Senior Notes | Notes [Member] | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate (as percent) | 6.25% | 6.25% |  |  |  |
Senior Notes | Notes [Member] | Maximum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Stated interest rate (as percent) | 6.875% | 6.875% |  |  |  |
Senior Notes | 2.625% senior unsecured convertible notes due September 15, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Total long-term debt | $ 300,000,000.0 | $ 300,000,000.0 |  |  |  |
Debt issued | $ 300,000,000.0 | $ 300,000,000.0 |  |  |  |
Stated interest rate (as percent) | 2.625% | 2.625% |  |  |  |
Debt conversion rate per $1000 principal (in shares per $1000) |  | 0.076365 |  |  |  |
Debt conversion price (in dollars per share) | $ / shares | $ 13.10 | $ 13.10 |  |  |  |
Swingline Loan | Revolving Credit Facility |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Credit facility borrowing base |  |  |  |  | $ 50,000,000.0 |
Revolving Credit Facility | Revolving Credit Facility | LIBOR | Minimum |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Commitment fee percentage | 0.375% |  |  |  |  |
Debt Conversion Scenario 1 | Senior Notes | 2.625% senior unsecured convertible notes due September 15, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Number of trading days | day |  | 20 |  |  |  |
Number of consecutive trading days | day |  | 30 |  |  |  |
Stock price relative to conversion price (percent) |  | 130.00% |  |  |  |
Debt Conversion Scenario 2 | Senior Notes | 2.625% senior unsecured convertible notes due September 15, 2023 |  |  |  |  |  |
Debt Instrument [Line Items] |  |  |  |  |  |
Number of trading days | day |  | 5 |  |  |  |
Number of consecutive trading days | day |  | 5 |  |  |  |
Stock price relative to product of sale price and conversion rate (percent) |  | 98.00% |  |  |  |

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