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Long-term Debt Long-term Debt (Tables) | 6 Months Ended
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Jun. 30, 2018
Debt Disclosure [Abstract] |
Schedule of Debt | The carrying amounts and fair values were as follows (dollars in thousands):
|  | June 30, 2018 |  | December 31, 2017
|  | Carrying Amount |  | Fair Value |  | Carrying Amount |  | Fair Value
Senior Notes |  | $ | 300,000 |  |  | $ | 286,500 |  |  | $ | 300,000 |  |  | $ | 300,750 |
Revolving credit facility |  | — |  |  | — |  |  | 10,810 |  |  | 10,490 |
The Company's long-term debt consists of the following (dollars in thousands):
|  | June 30, 2018 |  | December 31, 2017
4.875% Senior Notes due October 2025 |  | $ | 300,000 |  |  | $ | 300,000 |
Credit Agreement |  | — |  |  | 10,810 |
Debt issuance costs |  | (6,990 | ) |  | (7,730 | )
Long-term debt, net |  | $ | 293,010 |  |  | $ | 303,080 |
Debt Instrument Redemption [Table Text Block] | On or after October 15, 2020, the Company may redeem all or part of the Senior Notes at the redemption prices (expressed as percentages of principal amount) set forth below, plus accrued and unpaid interest, if any, to the redemption date, if redeemed during the twelve-month period beginning on October 15 of the years indicated below:
Year |  | Percentage
2020 |  | 102.438 | %
2021 |  | 101.219 | %
2022 and thereafter |  | 100.000 | %

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- Definition Tabular disclosure of debt instruments or arrangements with redemption features. Includes, but is not limited to, description of debt redemption features, percentage price at which debt can be redeemed by the issuer, and period start and end for debt maturity or redemption. + References No definition available. + Details
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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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