Income Taxes - Schedule of Effective Tax Rate (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2017	Sep. 30, 2016	Sep. 30, 2017	Sep. 30, 2016
Income Taxes [Abstract]
Income before income taxes	$ 25,663	$ 12,970	$ 48,022	$ 43,124
Provision for income taxes	$ 8,294	$ 3,684	$ 14,309	$ 12,298
Effective tax rate	32.30%	28.40%	29.80%	28.50%