Long-Term Debt - Summary of Company's Current Debt Portfolio (Detail) - USD ($) $ in Thousands |
Sep. 30, 2017 |
Dec. 31, 2016 |
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| Debt Instrument [Line Items] | ||
| Long-term Debt | $ 585,000 | $ 585,000 |
| Less: unamortized debt issuance costs | (7,450) | (8,674) |
| Long-term Debt, Excluding Current Maturities | 577,550 | 576,326 |
| 6.75% Senior Notes, due July 2022 [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term Debt | 360,000 | 360,000 |
| 7.50% Senior Notes, due August 2020 [Member] | ||
| Debt Instrument [Line Items] | ||
| Long-term Debt | $ 225,000 | $ 225,000 |
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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 classified as noncurrent. Includes, but is not limited to, legal, accounting, underwriting, printing, and registration costs. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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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/presentationRef
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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://www.xbrl.org/2003/role/presentationRef
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