Deferred Court Costs, Net - Schedule of Court Cost Reserve (Detail) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Deferred Costs, Capitalized, Prepaid, and Other Assets [Roll Forward]
Balance at beginning of period	$ (243,832)	$ (176,094)	$ (210,889)	$ (149,080)
Provision for court costs	(17,949)	(17,866)	(50,892)	(44,880)
Balance at end of period	$ (261,781)	$ (193,960)	$ (261,781)	$ (193,960)