Balance Sheet Components - Accounts Receivable, Net (Details) - USD ($) $ in Thousands		12 Months Ended
	Jan. 01, 2020	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Allowance for Doubtful Accounts Receivable [Roll Forward]
Balance At Beginning Of Year	$ 2,946	$ 2,198	$ 2,946	$ 2,782
Charged to costs and expenses, provision for credit loss	$ 1,300	0	1,613	656
Deductions and write offs		0	(2,361)	(492)
Recoveries		(106)	0	0
Balance At End Of Year		$ 2,092	$ 2,198	$ 2,946