Income Taxes - Schedule of Income Tax Provision (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Federal provision	$ 75,405	$ 120,317	$ 95,171
State and local provisions	28,063	23,496	23,387
Foreign provision	1,389	244	749
Current income tax expense	104,857	144,057	119,307
Deferred	4,249	(53,358)	(8,108)
Income tax provision	$ 109,106	$ 90,699	$ 111,199