Debt (Senior Notes) (Details) - Senior notes $ in Millions |
Dec. 31, 2018
USD ($)
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| Debt Instrument [Line Items] | |
| Aggregate unamortized premium | $ 28.3 |
| 2021 Senior Notes | |
| Debt Instrument [Line Items] | |
| Interest rate | 6.75% |
| 2025 Senior Notes | |
| Debt Instrument [Line Items] | |
| Interest rate | 6.875% |
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- Definition Contractual interest rate for funds borrowed, under the debt agreement. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. No definition available.
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- Definition Amount, after accumulated amortization, of debt premium. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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