Financial Statements Details - Accrued Liabilities (Details) - USD ($) $ in Thousands	Mar. 31, 2021	Dec. 31, 2020	Mar. 31, 2020	Dec. 31, 2019
Balance Sheet Components [Abstract]
Accrued payroll related costs	$ 42,670	$ 73,634
Accrued manufacturing costs	43,420	43,181
Accrued product development costs	15,084	6,733
Accrued warranty costs	10,043	9,314	$ 6,341	$ 6,742
Other	11,249	10,495
Total accrued liabilities	$ 122,466	$ 143,357