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Summary of Significant Accounting Policies (Narrative) (Details)
 12 Months Ended
Dec. 31, 2024
USD ($)
property
shares
Dec. 31, 2023
USD ($)
property
shares
Dec. 31, 2022
USD ($)
Dec. 31, 2021
USD ($)
Significant Accounting Policies Disclosure [Line Items]        
Allowance for credit losses $ 34,789,000 $ 33,608,000 $ 32,373,000 $ 37,119,000
Goodwill impairment loss 0      
Allowance for off balance sheet credit exposure 813,000 694,000 1,266,000  
Stockholders’ equity $ 323,925,000 $ 314,055,000 291,254,000 $ 274,024,000
Other real estate owned, number of properties | property 0 0    
Anti-dilutive outstanding options | shares 436,000 6,476    
Debt Securities Held-to-Maturity Fair Value $ 0 $ 0    
Investment in Federal Home Loan Bank Stock [Member]        
Significant Accounting Policies Disclosure [Line Items]        
Impairment charges $ 0 0 0  
Effect of Adopting ASU No. 2016-13 ("CECL") [Member]        
Significant Accounting Policies Disclosure [Line Items]        
Allowance for credit losses     (4,165,000)  
Reserve for loans acquired     (1,100,000)  
Allowance for off balance sheet credit exposure     1,300,000  
Stockholders’ equity     2,870,000  
Supplemental Executive Retirement Plan [Member]        
Significant Accounting Policies Disclosure [Line Items]        
Normal retirement age 65 years      
Monthly benefit amount $ 10,000      
SERP plan expense $ 44,632 $ 350,000 $ 328,000