Goodwill and Intangible Assets (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended			3 Months Ended	12 Months Ended			3 Months Ended	12 Months Ended	3 Months Ended	12 Months Ended
	Mar. 31, 2014	Mar. 31, 2013	Dec. 31, 2013	Mar. 31, 2014 Technology-based intangibles [Member]	Dec. 31, 2013 Technology-based intangibles [Member]	Mar. 31, 2014 Customer related intangibles [Member]	Dec. 31, 2013 Customer related intangibles [Member]	Mar. 31, 2014 Customer related intangibles [Member] Minimum [Member]	Dec. 31, 2013 Customer related intangibles [Member] Minimum [Member]	Mar. 31, 2014 Customer related intangibles [Member] Maximum [Member]	Dec. 31, 2013 Customer related intangibles [Member] Maximum [Member]
Goodwill [Roll Forward]
Beginning Balance	$ 38,670
Translation effect	(7)
Ending Balance	38,663
Acquired Finite-Lived Intangible Assets [Line Items]
Amortization Period				20 years	20 years			10 years	10 years	15 years	15 years
Gross Carrying Amount	5,005		5,006	4,192	4,192	813	814
Accumulated Amortization	(1,061)		(995)	(839)	(786)	(222)	(209)
Net Carrying Amount	3,944		4,011	3,353	3,406	591	605
Amortization expense	66	64
Finite-Lived Intangible Assets, Net, Amortization Expense, Rolling Maturity [Abstract]
Amortization expense for current intangible assets, for year one	265
Amortization expense for current intangible assets, for year two	265
Amortization expense for current intangible assets, for year three	265
Amortization expense for current intangible assets, for year four	265
Amortization expense for current intangible assets, for year five	$ 265