v3.8.0.1

Debt - 8.50% Senior Notes due 2019 (Details) - USD ($) |  | 12 Months Ended |  |  |
--- | --- | --- | --- | --- | ---
May 18, 2017 | Dec. 31, 2017 | Jul. 01, 2017 | Dec. 31, 2016 | Jun. 30, 2014
Debt |  |  |  |  |
Loss on extinguishment of debt |  | $ 9,848,000 |  |  |
8.5% Senior Notes Due 2019 |  |  |  |  |
Debt |  |  |  |  |
Stated interest rate (percent) | 8.50% |  |  | 8.50% |
Aggregate principal amount | $ 200,000,000 |  |  |  |
Amount of debt repurchased | $ 45,500,000 |  | $ 154,500,000 |  |
Percentage of debt repurchased | 23.00% |  |  |  |
Purchase price of debt | $ 1,038.87 |  |  |  |
Early tender purchase price of debt | $ 6.99 |  |  |  |
Loss on extinguishment of debt |  | 9,800,000 |  |  |
Redemption premium |  | $ 4,900,000 |  |  |
6.625% Senior Notes Due 2022 |  |  |  |  |
Debt |  |  |  |  |
Stated interest rate (percent) | 6.625% |  |  |  |
Aggregate principal amount | $ 400,000,000 |  |  |  |
Consolidation, Wholly Owned Subsidiary, Parent Ownership Interest, Percentage | 100.00% |  |  |  |
Senior Notes | 8.5% Senior Notes Due 2019 |  |  |  |  |
Debt |  |  |  |  |
Stated interest rate (percent) |  | 6.625% |  |  | 8.50%
Aggregate principal amount |  |  |  |  | $ 200,000,000
Senior Notes | 8.5% Senior Notes Due 2019 | Subsidiary guarantors |  |  |  |  |
Debt |  |  |  |  |
Parent ownership percentage (percent) |  | 100.00% |  |  |

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