Goodwill and Other Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012
Amortized intangible assets:
Balance at December 31, 2011	$ 1,079
Amortization	(58)
Currency Translation
Balance at March 31, 2012	1,021
Unamortized intangible assets
Balance at December 31, 2011	75,469
Amortization
Currency Translation	1,679
Balance at March 31, 2012	77,148
Estimated amortization expense of amortized intangible assets
2012	231
2013	231
2014	231
2015	231
2016	29
Trade Names [Member]
Amortized intangible assets:
Balance at December 31, 2011	43
Amortization	(1)
Currency Translation
Balance at March 31, 2012	42
Customer Contracts [Member]
Amortized intangible assets:
Balance at December 31, 2011	808
Amortization	(51)
Currency Translation
Balance at March 31, 2012	757
Technology [Member]
Amortized intangible assets:
Balance at December 31, 2011	228
Amortization	(6)
Currency Translation
Balance at March 31, 2012	$ 222