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Chapter 11 Filing Chapter 11 Filing (Details) (USD $) In Millions, except Share data, unless otherwise specified | 3 Months Ended | 6 Months Ended |
--- | --- | --- | ---
Jun. 30, 2014 | Jun. 30, 2014 | Dec. 31, 2013
Chapter 11 Filing [Abstract] |  |  |
Convertible senior notes | $ 530 | $ 530 |
Convertible Noteholders, Percent of New Common Stock | 79.04% | 79.04% |
Convertible Noteholders, New Notes | 200 | 200 |
Preferred Stock, Dividend Rate, Percentage | 12.75% |  |
Preferred Stock, Shares Outstanding | 85,903 | 85,903 |
Convertible preferred stock | 113.9 | 113.9 | 113.9
Class of Warrant or Right, Outstanding | 250,000 | 250,000 |
Preferred Investors, Each, Percent of New Common Stock | 7.98% | 7.98% |
Preferred Investors, Aggregate, Percent of New Common Stock | 15.96% | 15.96% |
Preferred Investors, Each, New Notes | 20.19 | 20.19 |
Preferred Investors, Aggregate, New Notes | 40.38 | 40.38 |
Stockholders, Percent of New Common Stock | 5.00% | 5.00% |
Debtor-in-Possession Financing, Amount Arranged | 50 | 50 |
Debtor-in-Possession Financing, Interest Rate on Borrowings | 10.50% | 10.50% |
Debtor in possession financing borrowings |  | 42.3 |
Debtor in possession financing repayments |  | $ 30.8 |

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