Balance Sheet Components - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2017	Dec. 31, 2016
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Product warranty	$ 86,679	$ 99,923
Accrued manufacturing expense and freight	43,045	75,579
Accrued sales incentives	66,237	74,181
Accrued sales and marketing	28,711	41,948
Accrued co-op advertising and marketing development funds	18,273	40,002
Sales taxes and VAT payable	17,098	8,891
Employee-related liabilities	28,484	13,934
Inventory received but not billed	5,663	7,363
Accrued legal fees	7,319	3,963
Derivative liabilities	11,826	3,780
Other	32,822	20,997
Accrued liabilities	$ 346,157	$ 390,561