Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2019	Dec. 31, 2018
Property, Plant and Equipment [Line Items]
Total Cost	$ 73,629	$ 67,123
Accumulated Depreciation and Amortization	(38,171)	(36,677)
Net Owned Premises and Equipment	35,458	30,446
Leased Assets	5,171
Net Premises and Equipment	40,629
Land and Bank Premises
Property, Plant and Equipment [Line Items]
Total Cost	39,342	35,010
Equipment, Furniture and Fixtures
Property, Plant and Equipment [Line Items]
Total Cost	30,529	30,192
Leasehold Improvements
Property, Plant and Equipment [Line Items]
Total Cost	$ 3,758	$ 1,921