Premises and Equipment (Details) - USD ($)	9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Dec. 31, 2024
Premises and Equipment
Premises and equipment, gross	$ 58,015,000		$ 50,565,000
Less accumulated depreciation	(27,844,000)		(26,966,000)
Net premises and equipment	30,171,000		23,599,000
Depreciation and amortization	878,000	$ 802,000
Land, buildings and improvements
Premises and Equipment
Premises and equipment, gross	37,940,000		31,727,000
Furniture and equipment
Premises and Equipment
Premises and equipment, gross	17,368,000		16,158,000
Computer software
Premises and Equipment
Premises and equipment, gross	$ 2,707,000		$ 2,680,000