Leases (Details) ft² in Thousands, $ in Thousands	1 Months Ended		3 Months Ended		9 Months Ended
	Dec. 31, 2020 ft²	Jun. 30, 2018 ft²	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($)	Sep. 30, 2021 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease square feet of office space | ft²	13	15
Lessee, Operating Lease, Existence of Option to Extend [true false]					true
Lessee, Operating Lease, Existence of Option to Terminate [true false]					true
Cost operating lease | $			$ 378	$ 359	$ 1,155	$ 916
Weighted average remaining lease term			1 year 10 months 24 days		1 year 10 months 24 days
Weighted-average discount rate for operating leases			3.80%		3.80%
Minimum
Lessee, Lease, Description [Line Items]
Lease terms			1 year		1 year
Maximum
Lessee, Lease, Description [Line Items]
Lease terms			3 years		3 years