Balance Sheet Components - Accounts Receivable and Allowance for Credit Losses (Details) - USD ($) $ in Thousands	9 Months Ended		12 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Accounts Receivable, Allowance for Credit Loss [Roll Forward]
Balance at beginning of year	$ 264	$ 263	$ 263
Accounts receivable credit losses	50	$ 0	14
Write-offs	(9)		(13)
Balance at end of year	$ 305		$ 264