Income Taxes - Schedule of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014	Dec. 31, 2013
Income Tax Disclosure [Abstract]
Federal provision	$ 94,405	$ 80,852	$ 60,449
State and local provisions	21,320	14,532	2,897
Foreign provision	831	2,396	7,083
Current income tax expense	116,556	97,780	70,429
Deferred	(10,300)	5,748	11,857
Income tax provision	$ 106,256	$ 103,528	$ 82,286