Goodwill and Other Intangible Assets (Schedule of Goodwill) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2013	Sep. 30, 2012
Goodwill and Other Intangible Assets [Abstract]
Beginning balance	$ 33,141	$ 33,141
Goodwill resulting from acquisition of business	25,298
Currency translation	320
Ending balance	$ 58,759	$ 33,141