Long Term Debt (Schedule of Long Term Debt Payments) (Details) - USD ($) $ in Thousands |
Dec. 31, 2015 |
Feb. 02, 2015 |
Dec. 31, 2014 |
|||||
|---|---|---|---|---|---|---|---|---|
| Debt Instrument [Line Items] | ||||||||
| 2016 | $ 3,342 | |||||||
| 2017 | 3,358 | |||||||
| 2018 | 243,374 | |||||||
| 2019 | 3,391 | |||||||
| 2020 | 3,407 | |||||||
| 2021 and thereafter | 1,115,241 | |||||||
| Long-term debt, gross | 1,372,113 | $ 1,038,796 | ||||||
| Less current portion of long-term debt | 3,342 | 622 | ||||||
| Long-term debt, net | 1,344,764 | 1,036,056 | ||||||
| Unsecured Debt [Member] | Searchlight ALX, LP Promissory Note [Member] | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Long-term debt, gross | [1] | 75,000 | 0 | |||||
| Less unamortized discount | 20,190 | $ 21,700 | ||||||
| Senior Notes [Member] | 2025 Notes | ||||||||
| Debt Instrument [Line Items] | ||||||||
| Long-term debt, gross | [2] | 450,000 | $ 0 | |||||
| Less unamortized discount | $ 3,817 | |||||||
| ||||||||