Premises and Equipment (Schedule of premises and equipment) (Details) - USD ($) $ in Thousands	Mar. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Total	$ 41,912	$ 41,418
Less accumulated depreciation	(23,408)	(23,080)
Net	18,504	18,338
Land
Property, Plant and Equipment [Line Items]
Total	3,690	3,690
Buildings and improvements
Property, Plant and Equipment [Line Items]
Total	25,371	25,371
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Total	12,353	12,090
Construction in progress
Property, Plant and Equipment [Line Items]
Total	$ 498	$ 267