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Employee Benefit Plans (Components of Net Periodic Pension Plan Cost) (Details) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Pension [Member]    
Defined Benefit Plan Disclosure [Line Items]    
Defined Benefit Plan, Service Cost $ 265 $ 324
Defined Benefit Plan, Interest Cost 1,748 1,586
Expected return on assets (3,055) (3,240)
Amortization of recognized loss 1,077 1,200
Defined Benefit Plan, Amortization of Prior Service Cost (Credit)   9
Net pension credit included in employee benefits $ 35 $ (121)
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.25% 4.25%
Defined Benefit Plan, Assumptions Used Calculating Net Periodic Benefit Cost, Discount Rate 4.25% 3.60%
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]    
Defined Benefit Plan, Service Cost $ 120 $ 112
Defined Benefit Plan, Interest Cost 272 321
Amortization of recognized loss 116 159
Defined Benefit Plan, Amortization of Prior Service Cost (Credit) (3) (3)
Net pension credit included in employee benefits $ 505 $ 589
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Discount Rate 3.14% 4.45%
Defined Benefit Plan, Assumptions Used Calculating Benefit Obligation, Rate of Compensation Increase 3.00% 3.00%