Balance Sheet Components - Leases (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
Organization, Consolidation and Presentation of Financial Statements [Abstract]
Remaining lease terms	2 years		2 years
Right-of-use-asset	$ 1,491		$ 1,491		$ 1,627
Short term lease liabilities	1,313		1,313		1,574
Long-term lease liabilities	$ 189		$ 189		$ 289
Short term lease liabilities location	Accrued expenses and other liabilities		Accrued expenses and other liabilities		Accrued expenses and other liabilities
Long-term lease liabilities location	Other noncurrent liabilities		Other noncurrent liabilities		Other noncurrent liabilities
Operating lease costs	$ 602	$ 367	$ 1,796	$ 1,076
Weighted-average remaining term	1 year		1 year		1 year 3 months 18 days
Weighted-average discount rate	5.00%		5.00%		4.80%
Maturities of operating lease liabilities
Remainder of 2022	$ 548		$ 548
2023	931		931
2024	61		61
Total future minimum lease payments	1,540		1,540
Less imputed interest	(38)		(38)
Total operating lease liability	$ 1,502		$ 1,502