Premises and Equipment (Details) - USD ($)	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment, Net [Abstract]
Subtotal	$ 85,749,000	$ 78,800,000
Less: Accumulated Depreciation and Amortization	35,602,000	33,529,000
Total	50,147,000	45,271,000
Depreciation and amortization	2,769,000	2,756,000	$ 2,421,000
Rental income	434,000	183,000	$ 173,000
Land and Buildings [Member]
Property, Plant and Equipment, Net [Abstract]
Subtotal	60,246,000	53,997,000
Furniture, Fixtures and Equipment [Member]
Property, Plant and Equipment, Net [Abstract]
Subtotal	21,750,000	21,058,000
Leasehold Improvements [Member]
Property, Plant and Equipment, Net [Abstract]
Subtotal	$ 3,753,000	$ 3,745,000