Leases (Details) - USD ($)	9 Months Ended
	Sep. 30, 2024	Sep. 30, 2023
Leases
Operating lease cost	$ 630,000	$ 605,000
Cash paid for amounts included in the measurement of lease liabilities	613,000	583,000
Operating cash flows from operating leases	0	0
Right-of-use assets obtained in exchange for new lease liabilities - operating leases	$ 0	$ 370,000
Weighted-average remaining lease term - operating leases	8 years 10 days	8 years 7 months 9 days
Weighted-average discount rate - operating leases	2.78%	2.71%