Insurance Activity - Schedule of Premiums Assumed and Earned (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		6 Months Ended	9 Months Ended	3 Months Ended
	Sep. 30, 2013 Successor [Member]	Sep. 30, 2012 Successor [Member]	Sep. 30, 2012 Successor [Member]	Sep. 30, 2013 Successor [Member]	Mar. 19, 2012 Predecessor [Member]
Premiums assumed	$ 2,790	$ 4,149	$ 10,385	$ 9,353	$ 6,130
Change in unearned premiums	143	45	96	(1,281)	47
Premiums earned	$ 2,933	$ 4,194	$ 10,481	$ 8,072	$ 6,177