Income Taxes - Schedule of Unrecognized Tax Benefits Reconciliation (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2018	Dec. 31, 2017
Income Tax Disclosure [Abstract]
Unrecognized tax benefits, beginning balance	$ 900	$ 1,300
Additions for tax positions of current years
Additions for tax positions of prior years
Reductions for tax positions of prior years
Settlements with taxing authorities
Reductions due to lapse of statute of limitations	(300)	(400)
Unrecognized tax benefits, ending balance	$ 600	$ 900