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Fresh Start Accounting (Details 3) (Predecessor [Member], USD $) In Thousands, unless otherwise specified | Mar. 19, 2012 | Dec. 31, 2011
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Predecessor [Member] |  |  |
Adjustment reflects the elimination of adjusted retained earnings |  |  |
Retained earnings | $ 101,677 | $ 105,110 | [1]
Adjustment for carve-out allocations | 23,109 |  |
Predecessor adjusted retained earnings | $ 124,786 |  |
[1] | (1) The Balance Sheet at December 31, 2011 is derived from the audited financial statements of the Predecessor.

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