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Employee Benefit Plans (Details Textual) - USD ($)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Defined Benefit Plan Disclosure [Line Items]      
Liability $ 222 $ 231  
Benefit 9 7 $ 5
National Bancshares Corporation      
Defined Benefit Plan Disclosure [Line Items]      
(Benefit) expense under the plan 60 36 (105)
Liability under the Plan $ 742 751  
Director age for eligibility for annual retirement benefit plan 70 years    
Maximum years for benefit payment under the plan 15 years    
Cortland Acquisition      
Defined Benefit Plan Disclosure [Line Items]      
Period of benefits paid for after retirement 15 years    
Payment benefit for director retirement $ 10    
Period over which benefits paid to directors after retirement 10 years    
Liability for post-retirement benefits $ 972 1,000  
Expense recognized for plans 36 37 87
Benefits expected to be paid in 2025 81    
Cortland Acquisition | Officers’ Plan      
Defined Benefit Plan Disclosure [Line Items]      
Liability for post-retirement benefits 818 870  
Cortland Acquisition | Directors Plan      
Defined Benefit Plan Disclosure [Line Items]      
Liability for post-retirement benefits 154 148  
Emclaire Acquisition      
Defined Benefit Plan Disclosure [Line Items]      
(Benefit) expense under the plan 23 37  
Liability for post-retirement benefits 807 846  
Benefits expected to be paid in 2025 $ 62    
Retirement Savings Plan      
Defined Benefit Plan Disclosure [Line Items]      
Employees who have completed no days of service 90 days    
Percentage of matching contribution by company 50.00%    
(Benefit) expense under the plan $ 1,100 1,000 870
Retirement Savings Plan | Maximum      
Defined Benefit Plan Disclosure [Line Items]      
Percentage of the participants' voluntary contributions of gross wages 6.00%    
Profit Sharing Plan      
Defined Benefit Plan Disclosure [Line Items]      
(Benefit) expense under the plan $ 252 0 207
Deferred Compensation Plan      
Defined Benefit Plan Disclosure [Line Items]      
(Benefit) expense under the plan 4 5 $ 6
Liability under the Plan 59 71  
Deferred compensation plan liability recorded $ 4,200 $ 3,400