Certain Balance Sheet Components Summary of the Allowance for Doubtful Accounts (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2015	Sep. 30, 2014	Sep. 30, 2015	Sep. 30, 2014
Summary of Allowance for Doubtful Accounts Activity [Line Items]
Beginning balance	$ 5,422	$ 7,355	$ 6,195	$ 8,368
Valuation Allowances and Reserves, Adjustments	(141)	(356)	(111)	(545)
Accounts written-off	(162)	(233)	(503)	(1,023)
EffectsOfChangeInExchangeRates	(160)	(242)	(622)	(276)
Ending balance	$ 4,959	$ 6,524	$ 4,959	$ 6,524