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Debt (Tables) | 12 Months Ended
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Dec. 31, 2016
Debt Disclosure [Abstract] |
Schedule of Obligations Under Debt Arrangements | At December 31, 2016 and 2015, our obligations under debt arrangements consisted of the following:
| December 31, 2016 |  | December 31, 2015
| Principal |  | Unamortized Discount and Debt Issuance Costs |  | Net Value |  | Principal |  | Unamortized Discount and Debt Issuance Costs |  | Net Value
Senior secured credit facility | $ | 1,278,200 |  |  | $ | — |  |  | $ | 1,278,200 |  |  | $ | 1,115,000 |  |  | $ | — |  |  | 1,115,000 |
6.000% senior unsecured notes | 400,000 |  |  | 6,758 |  |  | 393,242 |  |  | 400,000 |  |  | 7,825 |  |  | 392,175 |
5.750% senior unsecured notes | 350,000 |  |  | 4,163 |  |  | 345,837 |  |  | 350,000 |  |  | 5,183 |  |  | 344,817 |
5.625% senior unsecured notes | 350,000 |  |  | 6,614 |  |  | 343,386 |  |  | 350,000 |  |  | 7,510 |  |  | 342,490 |
6.750% senior unsecured notes | 750,000 |  |  | 19,296 |  |  | 730,704 |  |  | 750,000 |  |  | 22,428 |  |  | 727,572 |
Total long-term debt | $ | 3,128,200 |  |  | $ | 36,831 |  |  | $ | 3,091,369 |  |  | $ | 2,965,000 |  |  | $ | 42,946 |  |  | $ | 2,922,054 |

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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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