Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2015	Dec. 31, 2014
Goodwill [Roll Forward]
Beginning Balance, Goodwill	$ 45,146	$ 33,630
Acquired in business combinations	4,700	12,313
Adjustment due to finalization of 2014 business combination	(120)
Foreign currency translation adjustment	(2,304)	(797)
Ending Balance, Goodwill	$ 47,422	$ 45,146