Deferred Court Costs, Net - Schedule of Deferred Court Costs (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2016	Mar. 31, 2016	Dec. 31, 2015	Jun. 30, 2015	Mar. 31, 2015	Dec. 31, 2014
Deferred Costs, Capitalized, Prepaid, and Other Assets Disclosure [Abstract]
Deferred court costs, not recovered, term prior to write off	5 years
Court costs advanced	$ 643,251		$ 636,922
Court costs recovered	(254,450)		(242,899)
Court costs reserve	(319,651)	$ (324,025)	(318,784)	$ (298,955)	$ (290,383)	$ (279,572)
Deferred court costs	$ 69,150		$ 75,239