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Benefits Plans (Narrative) (Details) - USD ($)
12 Months Ended
Apr. 25, 2024
Jun. 30, 2023
Jan. 31, 2023
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Mar. 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       $ 62,000 $ 580,000 $ 559,000      
Estimated long term inflation rate       3.00%          
Expected future compensation expense, unexercised options       $ 150,000          
Expected future compensation expense, weighted average period for recognition       2 years 1 month 20 days          
Options exercisable - number of option shares       799,955          
Stock option expense       $ 128,000 133,000 216,000      
Number of shares underlying options       94,020          
Restricted stock expense       $ 639,000 $ 460,000 916,000      
Expected payments 2025       374,000          
Expected payments 2026       373,000          
Restricted Stock [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Restricted stock issued 20,000                
Restricted stock expense       $ 636,000          
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] | Employee Stock Option [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Options granted       0 0        
2023 Equity Incentive Plan [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Shares authorized for issuance             1,000,000    
2011 Stock Plan [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Shares authorized for issuance                 900,000
Supplemental Executive Retirement Plan [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Normal retirement age       65 years          
SERP plan expense       $ 44,632 $ 350,000 $ 328,000      
Vesting period       3 years          
Expected payments 2025       $ 50,000          
Expected payments 2026       49,000          
Annuity amount       $ 1,800,000          
Directors [Member] | Restricted Stock [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Restricted stock issued     27,000            
Vesting period     4 years            
Executive Officers [Member] | Restricted Stock [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Restricted stock issued 30,000 25,252              
Executive Officers [Member] | Minimum [Member] | Restricted Stock [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Vesting period 2 years                
Executive Officers [Member] | Maximum [Member] | Restricted Stock [Member]                  
Defined Benefit Plan Disclosure [Line Items]                  
Vesting period 3 years                
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%