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Long-Term Debt (Tables) | 12 Months Ended
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Dec. 31, 2017
Debt Disclosure [Abstract] |
Schedule of Maturities of Long-term Debt | As of December 31, 2017, annual maturities of the outstanding long-term debt for each of the five years after December 31, 2017 are as follows (in thousands):
Fiscal |
2018 | $ | — |
2019 | — |
2020 | — |
2021 | — |
2022 | 107,000 |
Thereafter | 300,000 |
| $ | 407,000 |
Schedule of Debt | The following table details the Company’s long-term debt at the respective principal amounts, net of unamortized debt issuance costs (in thousands):
| As of December 31,
| 2017 |  | 2016
Senior unsecured notes: |  |  |
5.375% senior notes due 2024 (1) | $ | 295,243 |  |  | $ | — |
6.75% senior notes due 2021 (2) | — |  |  | 196,545 |
| $ | 295,243 |  |  | $ | 196,545 |
Revolving unsecured credit facility, maturing 2022 | $ | 107,000 |  |  | $ | 260,000 |
(1) | As of December 31, 2017, deferred debt issuance costs of $4.8 million are included as a direct deduction from the carrying amount of the senior unsecured notes due 2024 in the accompanying consolidated balance sheets.
(2) | As of December 31, 2016, deferred debt issuance costs of $3.5 million are included as a direct deduction from the carrying amount of the senior unsecured notes due 2021 in the accompanying consolidated balance sheets.

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- Definition Tabular disclosure of information pertaining to short-term and long-debt instruments or arrangements, including but not limited to identification of terms, features, collateral requirements and other information necessary to a fair presentation. + References No definition available. + Details
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- Definition Tabular disclosure of the combined aggregate amount of maturities and sinking fund requirements for all long-term borrowings for each of the five years following the date of the latest balance sheet date presented. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 470 -SubTopic 10 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6802200&loc=d3e1835-112601 + Details
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