v3.26.1
LOANS AND ALLOWANCE FOR CREDIT LOSSES - Additional Information (Details)
3 Months Ended 12 Months Ended
Dec. 31, 2025
USD ($)
loan
item
Jun. 30, 2025
USD ($)
loan
Dec. 31, 2024
USD ($)
item
loan
Sep. 30, 2024
USD ($)
loan
Mar. 31, 2024
USD ($)
loan
Dec. 31, 2025
USD ($)
item
Dec. 31, 2025
USD ($)
item
Dec. 31, 2025
USD ($)
item
Dec. 31, 2025
USD ($)
item
loan
Dec. 31, 2025
USD ($)
item
contract
Dec. 31, 2024
USD ($)
item
Dec. 31, 2024
USD ($)
item
loan
Dec. 31, 2024
USD ($)
item
Allowance for credit losses                          
Number of Modifications | loan 4               6        
Loans Receivable Held-for-sale, Amount $ 1,140,000   $ 737,000     $ 1,140,000 $ 1,140,000 $ 1,140,000 $ 1,140,000 $ 1,140,000 $ 737,000 $ 737,000 $ 737,000
Unpaid principal balance 946,661,000   946,826,000     $ 946,661,000 946,661,000 946,661,000 946,661,000 946,661,000 946,826,000 946,826,000 946,826,000
Delinquency notice is automatically generated           10 or 15 days              
Reserve for unfunded lending commitments 90,000   102,000     $ 90,000 90,000 90,000 90,000 90,000 102,000 102,000 102,000
Accrued interest exclude from the amortized cost basis of loans 2,736,000   $ 2,575,000     2,736,000 2,736,000 2,736,000 $ 2,736,000 $ 2,736,000 2,575,000 $ 2,575,000 $ 2,575,000
Number of contracts   2 2 1 1       6 6   4 4
Modified value of TDR     $ 174,000 $ 120,000 $ 9,455,000   12,671,000       10,183,000    
Recorded Investment             12,661,000       10,193,000    
Financing receivable modifications unfunded commitments             0       0    
Financing Receivable, Modifications, Recorded Investment $ 12,661,000   10,193,000     $ 12,661,000 12,661,000 $ 12,661,000 $ 12,661,000 $ 12,661,000 10,193,000 $ 10,193,000 $ 10,193,000
Loan carrying a post modification recorded investment, paid current     $ 120,000   $ 9,455,000           $ 120,000 $ 120,000 $ 120,000
Number of loans modified as troubled debt restructuring within previous 12 months, with subsequent payment default | loan                 1     2  
Period of maturity date extension     6 months                    
Financing Receivable Modification Not In Compliance Of Terms             $ 439,000            
Number of TDRs not in compliance with restructure | item 2   0     2 2 2 2 2 0 0 0
Financing Receivable Number of Modifications Re-Modified | loan   2                      
Interest on non-accrual loans, Estimate of accrual amount             $ 2,689,000       $ 2,371,000    
Foreclosed Assets Held For Resale $ 0   $ 0     $ 0 0 $ 0 $ 0 $ 0 0 $ 0 $ 0
GGLs                          
Allowance for credit losses                          
Unpaid principal balance 3,902,000   4,306,000     3,902,000 3,902,000 3,902,000 3,902,000 3,902,000 4,306,000 4,306,000 4,306,000
Unfunded Loan Commitment                          
Allowance for credit losses                          
Reserve for unfunded lending commitments $ 90,000   102,000     90,000 90,000 90,000 90,000 90,000 102,000 $ 102,000 102,000
Loan one                          
Allowance for credit losses                          
Number of contracts | loan   1                      
Modified value of TDR   $ 107,000         107,000            
Period of interest only payments   11 months                      
Loan two                          
Allowance for credit losses                          
Number of contracts | loan   1                      
Modified value of TDR   $ 372,000                      
Period of interest only payments   12 months                      
Term Modification                          
Allowance for credit losses                          
Period of maturity date extension       10 months                  
Term Modification | Loan one                          
Allowance for credit losses                          
Number of contracts | loan 1                        
Modified value of TDR $ 1,983,000                        
Term Modification | Loan two                          
Allowance for credit losses                          
Financing Receivable, Recorded Investment $ 8,000         $ 8,000 8,000 8,000 $ 8,000 8,000      
Number of contracts | loan 1                        
Payment Modification                          
Allowance for credit losses                          
Number of contracts | loan                 5     4  
Interest-only payments                          
Allowance for credit losses                          
Loan modification extension term 4 months                        
Interest-only payments | Loan two                          
Allowance for credit losses                          
Period of interest only payments           6 months              
Interest-only payments | Loan four                          
Allowance for credit losses                          
Number of contracts | loan                 1        
Modified value of TDR             529,000            
Period of interest only payments           6 months              
Appended on principal amount outstanding | Loan three                          
Allowance for credit losses                          
Number of contracts | loan                 1        
Modified value of TDR             9,716,000            
Commercial and Industrial                          
Allowance for credit losses                          
Unpaid principal balance $ 66,924,000   66,706,000     $ 66,924,000 66,924,000 66,924,000 $ 66,924,000 66,924,000 66,706,000 $ 66,706,000 66,706,000
Reserve for unfunded lending commitments 24,000   17,000     24,000 24,000 24,000 $ 24,000 $ 24,000 17,000 $ 17,000 $ 17,000
Number of contracts                 1 1   1 1
Modified value of TDR             7,000       174,000    
Recorded Investment             7,000       174,000    
Financing Receivable, Modifications, Recorded Investment 7,000   174,000     7,000 7,000 7,000 $ 7,000 $ 7,000 174,000 $ 174,000 $ 174,000
Commercial and Industrial | GGLs                          
Allowance for credit losses                          
Government Guaranteed Loans. 3,902,000   4,306,000     3,902,000 3,902,000 3,902,000 $ 3,902,000 3,902,000 4,306,000 $ 4,306,000 4,306,000
Commercial and Industrial | Payment Modification                          
Allowance for credit losses                          
Number of contracts | loan                 1     1  
State and Political Subdivisions                          
Allowance for credit losses                          
Unpaid principal balance 20,132,000   22,138,000     20,132,000 20,132,000 20,132,000 $ 20,132,000 20,132,000 22,138,000 $ 22,138,000 22,138,000
Reserve for unfunded lending commitments 12,000         12,000 12,000 12,000 12,000 12,000      
Tax free loans 20,132,000   22,138,000     $ 20,132,000 20,132,000 $ 20,132,000 20,132,000 20,132,000 22,138,000 22,138,000 22,138,000
Commercial Real Estate | Maximum                          
Allowance for credit losses                          
Term of loan offering           20 years              
Maximum loan to value ratio               80.00%          
Residential Real Estate                          
Allowance for credit losses                          
Loans Receivable Held-for-sale, Amount 1,140,000   737,000     $ 1,140,000 1,140,000 $ 1,140,000 1,140,000 1,140,000 737,000 737,000 737,000
Consumer mortgage loans $ 0   0     $ 0 $ 0 $ 0 $ 0 $ 0 0 0 0
Residential Real Estate | Maximum                          
Allowance for credit losses                          
Maximum loan to value ratio               80.00%          
Maximum loan to value ratio with PMI 95.00%         95.00% 95.00% 95.00% 95.00% 95.00%      
Residential Real Estate | Residential Mortgage | Maximum                          
Allowance for credit losses                          
Term of loan offering           30 years              
Residential Real Estate | Residential Mortgage | Originated For Resale | Maximum                          
Allowance for credit losses                          
Term of loan offering           30 years              
Residential Real Estate | Home Equity Loan | Maximum                          
Allowance for credit losses                          
Term of loan offering           15 years              
Maximum loan to value ratio               80.00%          
Residential Real Estate | Home Equity Line of Credit | Maximum                          
Allowance for credit losses                          
Term of loan offering           20 years              
Maximum loan to value ratio               80.00%          
Consumer                          
Allowance for credit losses                          
Unpaid principal balance $ 4,953,000   6,390,000     $ 4,953,000 $ 4,953,000 $ 4,953,000 $ 4,953,000 $ 4,953,000 6,390,000 6,390,000 6,390,000
Agricultural                          
Allowance for credit losses                          
Unpaid principal balance 984,000   936,000     $ 984,000 984,000 $ 984,000 984,000 984,000 936,000 936,000 936,000
Agricultural | Maximum                          
Allowance for credit losses                          
Term of loan offering           10 years              
Maximum loan to value ratio               70.00%          
Real Estate                          
Allowance for credit losses                          
Unpaid principal balance 853,668,000   850,656,000     $ 853,668,000 853,668,000 $ 853,668,000 853,668,000 853,668,000 850,656,000 850,656,000 850,656,000
Reserve for unfunded lending commitments 54,000   85,000     54,000 54,000 54,000 $ 54,000 $ 54,000 85,000 $ 85,000 $ 85,000
Number of contracts                 5 5   3 3
Modified value of TDR     434,000       12,664,000       10,009,000    
Recorded Investment             12,654,000       10,019,000    
Financing Receivable, Modifications, Recorded Investment $ 12,654,000   $ 10,019,000     $ 12,654,000 $ 12,654,000 $ 12,654,000 $ 12,654,000 $ 12,654,000 $ 10,019,000 $ 10,019,000 $ 10,019,000
Real Estate | Payment Modification                          
Allowance for credit losses                          
Number of contracts | loan                 4     3