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Benefits Plans (Narrative) (Details) - USD ($)
12 Months Ended 24 Months Ended
Jun. 30, 2023
Jan. 31, 2023
Sep. 30, 2022
Jan. 12, 2022
Dec. 31, 2023
Dec. 31, 2022
Dec. 31, 2021
Dec. 31, 2025
Apr. 27, 2023
Apr. 26, 2018
Apr. 28, 2011
Defined Benefit Plan Disclosure [Line Items]                      
Unrecognized net gain (loss) included in accumulated other comprehensive (loss) income         $ 580,000 $ 559,000 $ 707,000        
Estimated long term inflation rate         3.00%            
Expected future compensation expense, unexercised options         $ 272,000            
Expected future compensation expense, weighted average period for recognition         2 years 11 months 12 days            
Stock option expense         $ 133,000 216,000 230,000        
Number of shares underlying options         166,480            
Restricted stock expense         $ 460,000 $ 916,000 $ 187,000        
Expected payments 2024         369,000            
Expected payments 2025         $ 376,000            
Restricted Stock [Member] | Forecast [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Restricted stock expense               $ 814,000      
Minimum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         4.00%            
Maximum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         7.00%            
2018 Equity Incentive Plan [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Shares authorized for issuance                   1,000,000  
2018 Equity Incentive Plan [Member] | Options [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Options granted         0 0          
2011 Stock Plan [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Shares authorized for issuance                     900,000
Equity Incentive Plan2023 [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Shares authorized for issuance                 1,000,000    
Supplemental Executive Retirement Plan [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Normal retirement age         65 years            
SERP plan expense         $ 350,000 $ 328,000          
Vesting period         3 years            
Expected payments 2024         $ 45,000            
Expected payments 2025         45,000            
Annuity amount         $ 1,810,000            
Directors [Member] | Restricted Stock [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Restricted stock issued   27,000   33,000              
Vesting period   4 years   4 years              
Executive Officers [Member] | Restricted Stock [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Restricted stock issued     36,000                
Director And Officer [Member] | Restricted Stock [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Restricted stock issued 25,252                    
Cash Equivalents [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Target         3.00%            
Equity [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Target         55.00%            
Equity [Member] | Minimum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         6.00%            
Target         40.00%            
Equity [Member] | Maximum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         10.00%            
Target         60.00%            
Fixed Income [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Target         45.00%            
Fixed Income [Member] | Minimum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         2.00%            
Target         40.00%            
Fixed Income [Member] | Maximum [Member]                      
Defined Benefit Plan Disclosure [Line Items]                      
Expected return on plan assets         6.00%            
Target         60.00%