Financial Statements Details - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019	Mar. 31, 2019	Dec. 31, 2018
Balance Sheet Components [Abstract]
Accrued payroll related costs	$ 43,842	$ 80,133
Accrued manufacturing costs	30,998	31,920
Accrued product development costs	7,162	11,410
Accrued professional fees	5,160	6,335
Accrued warranty costs	6,341	6,742	$ 5,126	$ 5,362
Accrued taxes	1,843	1,716
Other	5,097	1,993
Total accrued liabilities	$ 100,443	$ 140,249