Goodwill and Intangible Assets, Net (Details 4) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014		Sep. 30, 2013
Changes in the carrying amount of goodwill
Balance at the beginning of the period			$ 129,218
Reclassifications			(149)
Impairment	(492)	0	(492)	[1]	0
Foreign exchange			(3,349)
Balance at the end of the period	125,228	130,270	125,228		130,270
Changes in the carrying amount of intangible assets
Balance at the beginning of the period			41,773
Reclassifications			85
Impairment			0	[1]
Amortization	(1,800)	(1,200)	(5,511)		(5,200)
Foreign exchange			(1,565)
Balance at the end of the period	$ 34,782	$ 42,541	$ 34,782		$ 42,541

[1] See Note 1 "Basis of Presentation — Goodwill Impairment Testing"