Leases - Cost (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021	Dec. 31, 2021
Leases
Operating lease cost	$ 188	$ 149
Lease, Cost, Total	188	149
Operating cash flows from operating leases	182	$ 145
ROU assets obtained in exchange for new operating lease liabilities	$ 582
Weighted average remaining lease term in years	11 years 3 months 29 days		11 years 4 months 24 days
Weighted average discount rate	3.17%		3.20%
Operating lease right-of-use assets	$ 5,353		$ 5,249
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets		Prepaid Expense and Other Assets