Income Taxes (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2019	Sep. 30, 2018	Sep. 30, 2019	Sep. 30, 2018
Income Tax Disclosure [Abstract]
Effective income tax rates	822.10%	(38.60%)	(31.70%)	(6.90%)
Income tax expense	$ 3,790	$ 2,079	$ 7,916	$ 3,305
Unrecognized tax benefits	$ 400		$ 400