Premises and Equipment Schedule of Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 41,004	$ 40,719
Less accumulated depreciation	19,699	18,663
Premises and equipment, net	21,305	22,056
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	5,100	4,852
Land improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	1,100	1,105
Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	21,946	22,301
Equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 12,858	$ 12,461