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Fresh Start Accounting (Details Textual) (USD $) In Thousands, except Share data, unless otherwise specified | 6 Months Ended |  |  |  | 1 Months Ended |  |
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Jun. 30, 2012 | Mar. 19, 2012 | Jun. 30, 2012 Successor [Member] | Mar. 19, 2012 Successor [Member] | Mar. 31, 2012 Predecessor [Member] | Dec. 31, 2011 Predecessor [Member] | Mar. 19, 2012 Reorganization Adjustments [Member] | Mar. 19, 2012 Fair Value Adjustments [Member] | Mar. 19, 2012 Runoff Notes [Member] | Mar. 19, 2012 WMMRC [Member]
Fresh Start Accounting (Textual) [Abstract] |  |  |  |  |  |  |  |  |  |
Common stock, par value | $ 0.00001 |  | $ 0.00001 | $ 0.00001 |  | $ 1 | $ 0.00001 | $ 1 |  |
Common stock, shares authorized | 500,000,000 |  | 500,000,000 | 500,000,000 |  |  | 500,000,000 |  |  |
Common stock, shares outstanding | 200,000,000 |  | 200,000,000 | 200,000,000 |  | 1,000 | 200,000,000 | 1,000 |  |
Common stock, shares issued | 200,000,000 |  | 200,000,000 | 200,000,000 |  | 1,000 | 200,000,000 | 1,000 |  |
Minimum Percentage of Shares Held by Voter before Confirmation of Reorganization | 50.00% |  |  |  |  |  |  |  |  |
Company's reorganization value |  | $ 76,600 |  |  |  |  |  |  |  |
Loss contract fair market value reserve |  | 63,064 | 63,064 |  |  |  |  |  |  |
Court's valuation of WMMRC |  |  |  |  |  |  |  |  |  | 140,000
Outstanding amount of notes |  |  |  |  |  |  |  |  | 130,000 |
Goodwill recorded as a result transaction |  | 0 |  |  |  |  |  |  |  |
Net Assets or Equity Value |  |  |  |  |  |  |  |  |  | 171,600
Reduction in WMMRC's FMV |  | 8,400 |  |  |  |  |  |  |  | 8,400
Increase in equity value |  |  |  |  | 194,700 |  |  |  |  |
Value related to NOLs |  | $ 70,000 |  |  |  |  |  |  |  |
Valuation allowance |  | 100.00% |  |  |  |  |  |  |  |

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