Financial Statement Details - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2018	Dec. 31, 2017	Mar. 31, 2017	Dec. 31, 2016
Balance Sheet Components [Abstract]
Accrued payroll related costs	$ 28,773	$ 56,626
Accrued manufacturing costs	27,924	35,703
Accrued product development costs	10,520	21,201
Accrued warranty costs	7,434	7,415	$ 7,658	$ 6,744
Accrued professional fees	5,751	7,086
Accrued taxes	690	794
Other	4,636	5,002
Total accrued liabilities	$ 85,728	$ 133,827