Condensed Consolidated Balance Sheet Components - Accrued Expenses and Other Current Liabilities (Details) - USD ($) $ in Thousands	Sep. 30, 2023	Dec. 31, 2022
Regulated Operations [Abstract]
Accrued professional services	$ 3,200	$ 1,380
Contingent liability	1,100	1,500
Accrued taxes and deferred tax liabilities	1,403	1,006
Common stock unvested liability	259	589
Other current liabilities	2,159	1,946
Total	$ 8,121	$ 6,421