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v3.21.1

Long-Term Debt - OMP Debt (Details) - USD ($) |  | 3 Months Ended |  |
--- | --- | --- | --- | ---
Mar. 22, 2021 | Mar. 31, 2021 | Mar. 21, 2021 | Dec. 31, 2020
Debt Instrument [Line Items] |  |  |  |
Total long-term debt |  | $ 674,238,000 |  | $ 710,000,000
OMP Senior Notes | Senior Notes |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, current borrowing capacity | $ 450,000,000.0 |  | $ 575,000,000.0 |
Revolving Credit Facility | Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Line of credit facility, current borrowing capacity | 450,000,000.0 |  | 575,000,000.0 |
Credit facility borrowing base | $ 500,000,000.0 |  | $ 575,000,000.0 |
Revolving Credit Facility | OMP Credit Facility | Credit Facility |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Debt obligation, maximum consolidated total leverage ratio | 500.00% |  |  |
Debt obligation, maximum senior secured leverage ratio | 300.00% |  |  |
Debt obligation, maximum consolidated interest coverage ratio | 250.00% |  |  |
Credit facility borrowing base |  | 450,000,000.0 |  |
Total long-term debt |  | 234,000,000.0 |  |
Letters of credit outstanding |  | 5,500,000 |  |
Line of credit facility, remaining borrowing capacity |  | $ 210,500,000 |  |
Weighted average interest rate (percent) |  | 2.10% |  |
Revolving Credit Facility | OMP Credit Facility | Credit Facility | Minimum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Commitment fee rates (percent) | 0.375% |  |  |
Revolving Credit Facility | OMP Credit Facility | Credit Facility | Maximum |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Commitment fee rates (percent) | 0.50% |  |  |
Revolving Credit Facility | The Credit Agreement | Credit Facility | Minimum | Eurodollar |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Spread on variable rate (percent) |  | 2.25% |  |
Revolving Credit Facility | The Credit Agreement | Credit Facility | Minimum | Alternate Based Rate (ABR) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Spread on variable rate (percent) |  | 1.25% |  |
Revolving Credit Facility | The Credit Agreement | Credit Facility | Maximum | Eurodollar |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Spread on variable rate (percent) |  | 3.25% |  |
Revolving Credit Facility | The Credit Agreement | Credit Facility | Maximum | Alternate Based Rate (ABR) |  |  |  |
Debt Instrument [Line Items] |  |  |  |
Spread on variable rate (percent) |  | 2.25% |  |

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