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Chapter 11 Bankruptcy Proceedings Liabilities Subject to Compromise (Details) (USD $)
In Thousands, unless otherwise specified
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Dec. 31, 2014
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Dec. 31, 2013
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| Liabilities Subject to Compromise, Interest |
$ 203,010 |
|
| Liabilities Subject to Compromise, Debt |
4,350,000 |
|
| Liabilities Subject to Compromise, Accounts Payable |
3,644 |
|
| Liabilities Subject to Compromise, Accrued Liabilities and Other |
36,839 |
|
| Liabilities Subject to Compromise |
4,593,493 |
0 |
| Eleven Point Three Seven Five Percent Senior Notes Due Two Zero One Nine [Domain] |
|
|
| Liabilities Subject to Compromise, Debt |
900,000 |
|
| 7.625% Senior Notes Due 2021 [Member] |
|
|
| Liabilities Subject to Compromise, Debt |
1,450,000 |
|
| 8.875% Senior Notes Due 2019 [Member] |
|
|
| Liabilities Subject to Compromise, Debt |
500,000 |
|
| 10.0% Senior Notes Due 2016 [Member] |
|
|
| Liabilities Subject to Compromise, Debt |
800,000 |
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| 7.875% Senior Notes Due 2019 [Member] |
|
|
| Liabilities Subject to Compromise, Debt |
$ 700,000 |
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