Leases and Commitments - Cost (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020
Leases and Commitments
Operating lease cost	$ 638	$ 593
Lease, Cost, Total	638	593
Operating cash flows from operating leases	614	570
ROU assets obtained in exchange for new operating lease liabilities	$ 3,138	$ 41
Weighted average remaining lease term in years	11 years 4 months 24 days	5 years 11 months 15 days
Weighted average discount rate	3.20%	5.45%
Operating lease right-of-use assets	$ 5,249	$ 2,365
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Prepaid Expense and Other Assets	Prepaid Expense and Other Assets