Employee Benefit Plans (Components of Net Periodic Pension Plan Cost) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Pension [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 225	$ 265
Interest Cost	1,624	1,748
Expected return on assets	(3,548)	(3,055)
Amortization of net actuarial/recognized loss	1,433	1,077
Net pension (credit)/expense included in employee benefits	$ (266)	$ 35
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	2.50%	3.25%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate	3.25%	4.25%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Expected Long-term Return on Assets	7.00%	7.00%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	3.00%	3.00%
SERP [Member]
Defined Benefit Plan Disclosure [Line Items]
Service Cost	$ 135	$ 120
Interest Cost	236	272
Amortization of net actuarial/recognized loss	188	116
Amortization of prior service cost	(3)	(3)
Net pension (credit)/expense included in employee benefits	$ 556	$ 505
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate	2.52%	3.14%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase	3.00%	3.00%