Goodwill and Other Intangibles - Segment (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2016 USD ($)
Goodwill
Balance at the beginning of the period	$ 11,933
Balance at the end of the period	10,590
European Operations
Goodwill
Balance at the beginning of the period	11,933
Currency translation adjustment	(1,343)
Balance at the end of the period	$ 10,590