Deferred Court Costs, Net - Schedule of Deferred Court Costs (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred Court Costs not recovered, years	5 years
Court costs advanced	$ 636,922	$ 546,271
Court costs recovered	(242,899)	(206,287)
Court costs reserve	(318,784)	(279,572)	$ (210,889)	$ (149,080)
Deferred court costs, net	$ 75,239	$ 60,412