Insurance Activity - Schedule of Premiums Assumed and Earned (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended			6 Months Ended	3 Months Ended
	Jun. 30, 2013 Successor [Member]	Jun. 30, 2012 Successor [Member]	Jun. 30, 2012 Successor [Member]	Jun. 30, 2013 Successor [Member]	Mar. 19, 2012 Predecessor [Member]
Premiums assumed	$ 3,189	$ 5,224	$ 6,235	$ 6,562	$ 6,130
Change in unearned premiums	(1,455)	44	52	(1,424)	47
Premiums earned	$ 1,734	$ 5,268	$ 6,287	$ 5,139	$ 6,177