Goodwill and Other Intangible Assets (Details 1) (USD $) In Thousands, unless otherwise specified	9 Months Ended
	Sep. 30, 2014		Dec. 31, 2013
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	$ 40,816		$ 41,740
Finite-Lived Intangible Assets, Accumulated Amortization	(24,125)		(22,731)
Goodwill	35,938		36,605
Other indefinite lived intangible assets	1,265		1,289
Total goodwill and other indefinite lived intangible assets	37,203		37,894
Total intangible assets	78,019		79,634
Developed Technology Rights [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	13,136		13,464
Finite-Lived Intangible Assets, Accumulated Amortization	(11,244)		(11,091)
Finite-Lived Intangible Assets, Weighted Average Useful Life	3 years 8 months 12 days	[1]
Trade Names [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	6,065		6,178
Finite-Lived Intangible Assets, Accumulated Amortization	(2,451)		(2,185)
Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years 2 months 12 days	[1]
Customer Relationships [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	21,348		21,827
Finite-Lived Intangible Assets, Accumulated Amortization	(10,392)		(9,447)
Finite-Lived Intangible Assets, Weighted Average Useful Life	10 years 0 months 0 days	[1]
Patents [Member]
Finite-Lived Intangible Assets [Line Items]
Finite-Lived Intangible Assets, Gross	267		271
Finite-Lived Intangible Assets, Accumulated Amortization	$ (38)		$ (8)
Finite-Lived Intangible Assets, Weighted Average Useful Life	4 years 4 months 24 days	[1]

[1] (a) Weighted average life as of September 30, 2014.