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Employee Benefit Plans (Narrative) (Details)
 3 Months Ended 9 Months Ended 15 Months Ended
Sep. 30, 2025
USD ($)
shares
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2025
USD ($)
plan
$ / shares
shares
Sep. 30, 2024
USD ($)
shares
Sep. 30, 2025
USD ($)
shares
Defined Benefit Plan Disclosure [Line Items]          
Number of stock option plans | plan     1    
Deferred tax benefit from stock options exercised $ 10,000   $ 14,000    
Employee Stock Option          
Defined Benefit Plan Disclosure [Line Items]          
Share-based compensation expense     0 $ 0 $ 0
Stock Appreciation Rights (SARs)          
Defined Benefit Plan Disclosure [Line Items]          
Share-based compensation expense $ 0 $ 41,000 $ 0 7,000  
Number Outstanding (in shares) | shares 0   0   0
Restricted Stock          
Defined Benefit Plan Disclosure [Line Items]          
Share-based compensation expense $ 404,000 372,000 $ 1,600,000 1,300,000  
Unrecognized compensation cost $ 3,500,000   $ 3,500,000   $ 3,500,000
Unrecognized compensation costs, period for recognition     2 years 4 months 6 days    
Grant-date fair value     $ 1,300,000    
Vested (in shares) | shares     56,932    
Nonvested, beginning of period (in shares) | shares     195,859    
Nonvested, beginning balance (in dollars per share) | $ / shares     $ 23.02    
2015 Stock Incentive Plan          
Defined Benefit Plan Disclosure [Line Items]          
Rights issued (in shares) | shares     0    
Rights available for grant (in shares) | shares 1,682,333   1,682,333   1,682,333
2015 Stock Incentive Plan | Employee Stock Option          
Defined Benefit Plan Disclosure [Line Items]          
Deferred tax benefit from stock options exercised   0   14,000  
Options, exercises in period, intrinsic value $ 129,000 $ 15,000 $ 206,000 $ 69,000  
Proceeds from options exercised     $ 154,000    
Exercise of options | shares 5,945 1,692 10,148 6,192  
Number Outstanding (in shares) | shares 0   0   0
401 (k) Matching Range One | Deferred Salary Reduction Plan          
Defined Benefit Plan Disclosure [Line Items]          
Requisite service period     90 days    
Employer matching contribution, percent of match     100.00%    
Employer matching contribution, percent of employees gross pay     3.00%    
Contribution to the Plan $ 545,000 $ 504,000 $ 1,600,000 $ 1,500,000  
401 (k) Matching Range Two | Deferred Salary Reduction Plan          
Defined Benefit Plan Disclosure [Line Items]          
Employer matching contribution, percent of match     50.00%    
Employer matching contribution, percent of employees gross pay     2.00%