Long-Term Debt - Components of Long-Term Debt (Details) - USD ($) $ in Thousands |
Sep. 30, 2019 |
Dec. 31, 2018 |
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| Debt Instrument [Line Items] | ||
| Unamortized discount and debt issuance costs | $ (15,720) | $ (18,251) |
| Total long-term debt | 631,520 | 628,989 |
| Estimated fair value of total long-term debt outstanding | 672,400 | 670,800 |
| Senior Notes | 9.25% Senior Secured Notes, due 2023 | ||
| Debt Instrument [Line Items] | ||
| Total long-term debt, before debt issuance costs and discount | $ 645,000 | 645,000 |
| Debt instrument, percentage rate | 9.25% | |
| Senior Notes | 6.50% Notes, due 2021 | ||
| Debt Instrument [Line Items] | ||
| Total long-term debt, before debt issuance costs and discount | $ 2,240 | $ 2,240 |
| Debt instrument, percentage rate | 6.50% |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Fair value portion of debt instrument payable, including, but not limited to, notes payable and loans payable. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount of unamortized debt discount (premium) and debt issuance costs. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition Amount after unamortized (discount) premium and debt issuance costs of long-term debt classified as noncurrent and excluding amounts to be repaid within one year or the normal operating cycle, if longer. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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