Long-Term Debt - Senior Unsecured Notes (Details) - USD ($)
$ in Thousands |
|
|
|
12 Months Ended |
Feb. 29, 2016 |
Feb. 23, 2015 |
Apr. 01, 2014 |
Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
| Senior Unsecured Notes |
|
|
|
|
|
|
| Notes proceeds from issuance |
|
|
|
|
$ 236,475
|
$ 500,000
|
| Repayment under long-term debt |
|
|
|
$ 62,000
|
$ 335,000
|
$ 468,000
|
| Gain on debt extinguishment |
|
|
|
99,530
|
|
|
| Senior notes |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Aggregate principal amount |
|
|
|
190,900
|
|
|
| Gain on debt extinguishment |
|
|
|
99,500
|
|
|
| 2022 Notes | Senior notes |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Aggregate principal amount |
|
|
$ 500,000
|
90,900
|
|
|
| Stated interest rate (as a percent) |
|
|
6.75%
|
|
|
|
| Purchased amount |
|
|
|
38,100
|
|
|
| Aggregate principle amount repurchased and available for reissuance |
|
|
|
20,300
|
|
|
| 2023 Notes | Senior notes |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Aggregate principal amount |
|
$ 250,000
|
|
|
|
|
| Stated interest rate (as a percent) |
|
9.25%
|
|
|
|
|
| Discount of principal amount (as a percent) |
|
94.59%
|
|
|
|
|
| Notes proceeds from issuance |
|
$ 236,500
|
|
|
|
|
| Wells Fargo Bank N.A. | Revolving credit facility | Revolver | Line of credit |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Repayment under long-term debt |
|
|
$ 308,000
|
|
|
|
| Wells Fargo Bank N.A. | Term loan | Term Loan | Line of credit |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Repayment under long-term debt |
|
|
$ 160,000
|
|
|
|
| Beneficial owner | 2023 Notes | Senior notes |
|
|
|
|
|
|
| Senior Unsecured Notes |
|
|
|
|
|
|
| Aggregate principal amount |
|
|
|
100,000
|
|
|
| Aggregate principal amount repurchased |
$ 100,000
|
|
|
|
|
|
| Purchased amount |
|
|
|
$ 46,500
|
|
|
| Gain on debt extinguishment |
$ 48,300
|
|
|
|
|
|