Condensed Consolidated Balance Sheet Components - Capitalized Internal-Use Software (Details) - USD ($)	3 Months Ended		9 Months Ended
	Sep. 30, 2023	Sep. 30, 2022	Sep. 30, 2023	Sep. 30, 2022	Dec. 31, 2022
Regulated Operations [Abstract]
Capitalized internal-use software	$ 9,062,000		$ 9,062,000		$ 9,605,000
Less: Accumulated amortization	(4,039,000)		(4,039,000)		(1,965,000)
Total capitalized internal-use software	5,023,000		5,023,000		$ 7,640,000
Capitalized internal-use software amortization expense	700,000	$ 400,000	2,100,000	$ 1,300,000
Impairment loss on internally developed software	$ 0		$ 500,000