Goodwill (Schedule of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended	12 Months Ended
	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2011
Goodwill [Roll Forward]
Goodwill, Balance at the beginning of the period		$ 31,648	$ 31,751	$ 34,073
Translation adjustment		425	553	(424)
Goodwill impairment	(656)	0	(656)	(1,898)
Goodwill, balance at the end of the period	$ 31,648	$ 32,073	$ 31,648	$ 31,751