Income Taxes - Schedule of Components of Income Before Income Taxes (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Domestic	$ 88,014	$ 52,986	$ 18,016
Foreign jurisdictions	5,937	3,959	3,941
Income before income taxes	$ 93,951	$ 56,945	$ 21,957