Insurance Activity (Details 2) (USD $) In Thousands, unless otherwise specified	6 Months Ended	12 Months Ended
	Jun. 30, 2012 Successor [Member]	Dec. 31, 2011 Predecessor [Member]
Summary of Losses and loss adjustment reserve activity
Liability for Unpaid Claims and Claims Adjustment Expense, Net, Beginning Balance	$ 142,119	$ 190,036
Incurred - prior periods	21,504	47,321
Paid - prior periods	(30,965)	(95,238)
Liability for Unpaid Claims and Claims Adjustment Expense, Net, Ending Balance	$ 132,658	$ 142,119	[1]

[1] (1) The Balance Sheet at December 31, 2011 is derived from the audited financial statements of the Predecessor.