| Schedule of Long-term Debt Instruments [Table Text Block] |
| | | | | | | | | Senior Secured Term Loan due 2019, net of debt issuance costs | | $ | 73,562 | | | $ | 72,987 | | | Senior Secured Notes: | | | | | | | | | | 9.5% Senior Secured Notes due November 15, 2020 | | $ | 74,456 | | | $ | 74,350 | | | 2.0% Senior Secured Notes due November 1, 2021 (net of discount) | | | 53,076 | | | | 53,058 | | | 5.0% Senior Secured Notes due November 1, 2021 (net of discount) | | | 134,638 | | | | 133,732 | | | 10.0% Senior Secured Notes due July 15, 2022 | | | 434,855 | | | | 434,543 | | | 10.5% Senior Secured Notes due July 15, 2024 | | | 394,278 | | | | 394,953 | | | Total Senior Secured Notes, net of debt issuance costs | | $ | 1,091,303 | | | $ | 1,090,636 | | | Senior Notes: | | | | | | | | | | 7.0% Senior Notes due January 15, 2019 | | $ | - | | | $ | 131,957 | | | 8.0% Senior Notes due November 1, 2019 | | | 65,386 | | | | 234,293 | | | 13.5% Senior Notes due February 1, 2026 (including premium) | | | 101,829 | | | | - | | | 5.0% Senior Notes due February 1, 2040 (net of discount) | | | 43,193 | | | | - | | | Total Senior Notes, net of debt issuance costs | | $ | 210,408 | | | $ | 366,250 | | | 11.0% Senior Amortizing Notes due December 1, 2017, net of debt issuance costs | | $ | - | | | $ | 2,045 | | | Senior Exchangeable Notes due December 1, 2017, net of debt issuance costs | | $ | - | | | $ | 53,919 | | | Senior Unsecured Term Loan Credit Facility due 2027, net of debt issuance costs | | $ | 131,567 | | | $ | - | | | Unsecured Revolving Credit Facility | | $ | 52,000 | | | $ | 52,000 | | |