Financial Statements Details - Accrued Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2021	Dec. 31, 2020	Sep. 30, 2020	Dec. 31, 2019
Balance Sheet Components [Abstract]
Accrued payroll related costs	$ 62,836	$ 73,634
Accrued manufacturing costs	65,843	43,181
Accrued product development costs	23,647	6,733
Accrued warranty costs	9,528	9,314	$ 6,732	$ 6,742
Other	12,571	10,495
Total accrued liabilities	$ 174,425	$ 143,357