Service Agreements and Related Party Transactions - Additional Information (Detail) (USD $) In Thousands, except Share data, unless otherwise specified	3 Months Ended		6 Months Ended
	Mar. 19, 2012	Jun. 30, 2012	Jun. 30, 2013	Jul. 30, 2013
Related Party Transactions [Abstract]
Expenses incurred under the agreements	$ 0	$ 560	$ 886
Description of fee				Fee equal to the product of (x) the ending dollar amount of assets under management during the calendar month in question and (y) .002 divided by 12.
Administrative services agreement fee			$ 110
Pro Rata Share of the Common Stock Election			10,000,000
Percentage of Pro Rata Share of the Common Stock Election			5.00%
Percentage of interest in Litigation Proceeds			50.00%