Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2014
Goodwill [Line Items]
Balance at December 31, 2013	$ 66,976
Currency translation adjustment	220
Balance at March 31, 2014	67,196
International [Member]
Goodwill [Line Items]
Balance at December 31, 2013	64,403
Currency translation adjustment	117
Balance at March 31, 2014	64,520
Americas [Member]
Goodwill [Line Items]
Balance at December 31, 2013	2,573
Currency translation adjustment	103
Balance at March 31, 2014	$ 2,676