v3.26.3
Note 4 - Loans and the Allowance for Credit Losses - Aging Analysis of the Loan Portfolio (Details) - USD ($)
$ in Thousands
Sep. 30, 2026
Dec. 31, 2025
Loans, Total $ 1,499,497 $ 1,515,793
90 Days and Still Accruing 67 0
Nonaccrual 21,062 15,089
Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 4,468 7,668
Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 6,422 923
Financial Asset, Past Due [Member]    
Loans, Total 32,019 23,680
Financial Asset, Not Past Due [Member]    
Loans, Total 1,467,478 1,492,113
Commercial Portfolio Segment [Member] | Commercial Loans [Member]    
Loans, Total 160,834 168,696
90 Days and Still Accruing 22 0
Nonaccrual 1,026 611
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 1,299 2,809
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 645 572
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financial Asset, Past Due [Member]    
Loans, Total 2,992 3,992
Commercial Portfolio Segment [Member] | Commercial Loans [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 157,842 164,704
Commercial Portfolio Segment [Member] | Agricultural Loans [Member]    
Loans, Total 139,609 157,768
90 Days and Still Accruing 45 0
Nonaccrual 11,970 10,509
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 0 395
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 3,129 0
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financial Asset, Past Due [Member]    
Loans, Total 15,144 10,904
Commercial Portfolio Segment [Member] | Agricultural Loans [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 124,465 146,864
Commercial Portfolio Segment [Member] | Real Estate Loan [Member]    
Loans, Total 1,017,842 1,003,944
90 Days and Still Accruing 0 0
Nonaccrual 6,015 2,000
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 1,574 1,160
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 0 0
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, Past Due [Member]    
Loans, Total 7,589 3,160
Commercial Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 1,010,253 1,000,784
Commercial Portfolio Segment [Member] | Construction Loans [Member]    
Loans, Total 53,854 40,022
90 Days and Still Accruing 0 0
Nonaccrual 186 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 0 1,466
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 2,109 0
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Past Due [Member]    
Loans, Total 2,295 1,466
Commercial Portfolio Segment [Member] | Construction Loans [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 51,559 38,556
Residential Portfolio Segment [Member] | Real Estate Loan [Member]    
Loans, Total 31,272 33,142
90 Days and Still Accruing 0 0
Nonaccrual 208 215
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 0 15
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 13 0
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, Past Due [Member]    
Loans, Total 221 230
Residential Portfolio Segment [Member] | Real Estate Loan [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 31,051 32,912
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member]    
Loans, Total 55,394 54,594
90 Days and Still Accruing 0 0
Nonaccrual 961 988
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 842 835
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 486 191
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Financial Asset, Past Due [Member]    
Loans, Total 2,289 2,014
Residential Portfolio Segment [Member] | Equity Lines of Credit [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 53,105 52,580
Consumer Portfolio Segment [Member]    
Loans, Total 40,692 57,627
Consumer Portfolio Segment [Member] | Automobile Loan [Member]    
Loans, Total 25,652 40,020
90 Days and Still Accruing 0 0
Nonaccrual 654 745
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 644 943
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 40 159
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, Past Due [Member]    
Loans, Total 1,338 1,847
Consumer Portfolio Segment [Member] | Automobile Loan [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total 24,314 38,173
Consumer Portfolio Segment [Member] | Other Loans [Member]    
Loans, Total 15,040 17,607
90 Days and Still Accruing 0 0
Nonaccrual 42 21
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 30 to 59 Days Past Due [Member]    
Loans, Total 109 45
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, 60 to 89 Days Past Due [Member]    
Loans, Total 0 1
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Past Due [Member]    
Loans, Total 151 67
Consumer Portfolio Segment [Member] | Other Loans [Member] | Financial Asset, Not Past Due [Member]    
Loans, Total $ 14,889 $ 17,540