Long-term Debt - Summary of Company's Current Debt Portfolio (Detail) - USD ($) $ in Thousands |
Sep. 30, 2018 |
Dec. 31, 2017 |
|---|---|---|
| Debt Instrument [Line Items] | ||
| Total principal | $ 585,000 | $ 585,000 |
| Less: unamortized debt issuance costs | (5,711) | (7,029) |
| Total long-term debt | 579,289 | 577,971 |
| 6.75% Senior Notes, due July 2022 | ||
| Debt Instrument [Line Items] | ||
| Total principal | 360,000 | 360,000 |
| Less: unamortized debt issuance costs | (3,900) | |
| 7.50% Senior Notes, due August 2020 | ||
| Debt Instrument [Line Items] | ||
| Total principal | 225,000 | $ 225,000 |
| Less: unamortized debt issuance costs | $ (1,800) |
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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 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, after accumulated amortization, of debt issuance costs. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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