Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total	$ 72,563	$ 71,714
Less: accumulated depreciation	47,423	45,472
Premises and equipment, net	25,140	26,242
Land [Member]
Property, Plant and Equipment [Line Items]
Total	6,164	6,336
Buildings and improvements [Member]
Property, Plant and Equipment [Line Items]
Total	30,503	30,257
Furniture and equipment [Member]
Property, Plant and Equipment [Line Items]
Total	$ 35,896	$ 35,121