Leases - Narrative (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2022 USD ($) lease location	Dec. 31, 2021 USD ($)	Dec. 31, 2020 USD ($)
Leases [Abstract]
Number of noncancelable leases | lease	11
Number of operating leases in bank branch locations | location	4
Number of operating leases in administrative and operational spaces | location	4
Number of operating leases for ITM and ATM locations | location	2
Number of operating leases in equipment leases | lease	1
Number of finance leases | lease	0
Operating lease right-of-use asset	$ 2,223	$ 2,600
Present value of operating lease liabilities	$ 2,360	$ 2,800
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Other assets	Other assets
Operating Lease, Liability, Statement of Financial Position [Extensible Enumeration]	Other liabilities	Other liabilities
Operating lease cost	$ 582	$ 571	$ 565
Variable lease, cost	39	38	38
Lessee, operating lease, liability, to be paid	2,739	3,200
Sublease rental amount to be paid	964	812
Operating lease, expense	594	583	583
Rental income	566	543	523
Operating lease, initial direct cost expense, over term	$ 5	$ 5	$ 5