Fresh Start Accounting (Details 3) (Predecessor [Member], USD $) In Thousands, unless otherwise specified	Mar. 19, 2012	Dec. 31, 2011
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.