Debt - Debt Issuance Costs (Details) - USD ($) $ in Thousands |
3 Months Ended | 6 Months Ended | ||||
|---|---|---|---|---|---|---|
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 30, 2016 |
Jun. 30, 2015 |
Jun. 10, 2016 |
Dec. 31, 2015 |
|
| Debt Instrument [Line Items] | ||||||
| Unamortized debt issuance costs | $ 7,845 | $ 7,845 | $ 227 | |||
| Senior Notes | 2023 Notes | ||||||
| Debt Instrument [Line Items] | ||||||
| Unamortized debt issuance costs | $ 7,900 | |||||
| Interest Expense and Other Financing Costs | ||||||
| Debt Instrument [Line Items] | ||||||
| Amortization of deferred financing costs | $ 100 | $ 200 | $ 400 | $ 500 | ||