v3.3.1.900

Long-Term Debt - Senior Notes Issuances (Details) - Senior Notes - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Debt Instrument [Line Items] |  |  |
Debt Issuance Costs | $ 376,000 | $ 375,000 | $ 223,000
2011 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal | 107,500,000 |  |
Debt Issuance Costs | 2,811,000 |  |
Net Proceeds | $ 104,689,000 |  |
Coupon rate | 8.25% |  |
Effective interest rate | 8.47% |  |
2012 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal | $ 100,000,000 |  |
Debt Issuance Costs | 3,406,000 |  |
Net Proceeds | $ 96,594,000 |  |
Coupon rate | 8.00% |  |
Effective interest rate | 8.28% |  |
2013 Senior Notes |  |  |
Debt Instrument [Line Items] |  |  |
Principal | $ 152,500,000 |  |
Debt Issuance Costs | 5,054,000 |  |
Net Proceeds | $ 147,446,000 |  |
Coupon rate | 7.75% |  |
Effective interest rate | 8.04% |  |

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