Borrowings (Schedule of Borrowings) (Details) - USD ($) $ in Thousands |
Dec. 31, 2016 |
Dec. 31, 2015 |
|---|---|---|
| Principal components: | ||
| Total principal outstanding | $ 400,000 | $ 340,000 |
| Total carrying value of borrowings | 390,219 | 328,565 |
| Senior Secured Revolving Credit Facility [Member] | ||
| Principal components: | ||
| Total principal outstanding | 40,000 | |
| Secured Second Lien Term Loan [Member] | ||
| Principal components: | ||
| Total principal outstanding | 300,000 | |
| Unamortized deferred financing costs | $ (11,435) | |
| 6.125% senior unsecured notes due 2024 [Member] | ||
| Principal components: | ||
| Total principal outstanding | 400,000 | |
| Unamortized deferred financing costs | $ (9,781) |
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- Definition Amount, before unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but is not limited to, notes payable, bonds payable, commercial loans, mortgage loans, convertible debt, subordinated debt and other types of debt. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition Amount, after unamortized (discount) premium and debt issuance costs, of long-term debt. Includes, but not limited to, notes payable, bonds payable, debentures, mortgage loans and commercial paper. Excludes capital lease obligations. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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- Definition The remaining balance of debt issuance expenses that were capitalized and are being amortized against income over the lives of the respective bond issues. This does not include the amounts capitalized as part of the cost of the utility plant or asset. Reference 1: http://www.xbrl.org/2003/role/presentationRef
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