Insurance Activity (Details 1) (USD $) In Thousands, unless otherwise specified	Jun. 30, 2012 Successor [Member]	Dec. 31, 2011 Successor [Member]	Jun. 30, 2012 Successor [Member] Case - basis reserves [Member]	Jun. 30, 2012 Successor [Member] IBNR reserves [Member]	Jun. 30, 2012 Successor [Member] Premium deficit reserves [Member]	Dec. 31, 2011 Predecessor [Member]		Dec. 31, 2010 Predecessor [Member]	Dec. 31, 2011 Predecessor [Member] Case - basis reserves [Member]	Dec. 31, 2011 Predecessor [Member] IBNR reserves [Member]	Dec. 31, 2011 Predecessor [Member] Premium deficit reserves [Member]
Components of the liability for losses and loss adjustment reserves
Losses and loss adjustment reserves	$ 132,658	$ 142,119	$ 114,402	$ 5,430	$ 12,827	$ 142,119	[1]	$ 190,036	$ 132,970	$ 6,049	$ 3,100

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