Leases - Narrative (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) item	Mar. 31, 2023 USD ($)	Dec. 31, 2023 USD ($)
Leases
Number of leased branch offices | item	7
Number of leased administrative offices | item	2
Weighted average remaining life of the lease terms	10 years 7 months 6 days		10 years 9 months 18 days
Weighted average discount rate	2.60%		2.60%
Operating lease costs	$ 182	$ 178
Operating lease ROU	$ 6,157		$ 6,307
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible List]	Other Assets.		Other Assets.
Operating lease liability	$ 6,218		$ 6,375
Operating Lease, Liability, Statement of Financial Position [Extensible List]	Accrued Liabilities and Other Liabilities		Accrued Liabilities and Other Liabilities