Goodwill and Other Intangible Assets (Details) - USD ($) $ in Thousands	6 Months Ended	9 Months Ended
	Jun. 30, 2016	Sep. 30, 2017	Dec. 31, 2016
Goodwill and Other Intangible Assets [Abstract]
Goodwill		$ 14,916	$ 14,916
Estimated useful lives customer relationship		5 years
Term of forecasted equal annual customer orders		5 years
Amortization of intangible assets	$ 1,100
Asset impairment charges		$ 0