Premises and Equipment (Equipment) (Details) - USD ($) $ in Thousands	Dec. 31, 2020	Dec. 31, 2019
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 75,208	$ 74,969
Accumulated depreciation and amortization	(35,324)	(33,133)
Premises and equipment, net	39,884	41,836
Buildings and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	46,054	46,856
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	19,916	18,915
Land and land improvements
Property, Plant and Equipment [Line Items]
Property, Plant and Equipment, Gross	$ 9,238	$ 9,198