Leases (Details) $ in Thousands	1 Months Ended	3 Months Ended		9 Months Ended
	Dec. 31, 2020 ft²	Sep. 30, 2022 USD ($) ft²	Sep. 30, 2021 USD ($)	Sep. 30, 2022 USD ($) ft²	Sep. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Feb. 28, 2019 ft²
Lessee, Lease, Description [Line Items]
Area leased, sublease agreement | ft²		33,019		33,019			20,433
Sub-subleased | ft²	8,115
Amortization expense		$ 300	$ 300	$ 800	$ 800
Operating Leases:
Accumulated amortization		388		388		$ 332
Other assets		6,992		6,992		7,048
Current portion of lease liabilities		766		766		693
Other liabilities		$ 1,617		$ 1,617		$ 2,151
Financial position		Other liabilities		Other liabilities		Other liabilities
Total operating lease liabilities		$ 2,383		$ 2,383		$ 2,844
Operating Leases
Operating Leases:
Gross cost		5,240		5,240		5,240
Accumulated amortization		2,364		2,364		1,803
Other assets		$ 2,876		$ 2,876		$ 3,437