Goodwill and Other Intangible Assets (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2016 USD ($)
Goodwill [Roll Forward]
Balance at beginning	$ 3,581
Disposal on sale of assets	(1,039)
Impairment of goodwill	(2,257)
Translation differences	(285)
Balance at ending	$ 0