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Debt (Tables) | 6 Months Ended
--- | ---
Jun. 30, 2019
Debt Disclosure [Abstract] |
Schedule of Debt |
| June 30, 2019 |  | December 31, 2018
Revolving credit agreement | $ | 27,545 |  |  | $ | 68,143 |
6.50% Notes due 2024 | 900,000 |  |  | 900,000 |
Debt issuance costs | (13,453 | ) |  | (14,036 | )
| $ | 914,092 |  |  | $ | 954,107 |

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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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