v3.26.3
Note 10 - Loans and Allowance for Credit Losses - Allowance for Credit Losses (Details) - USD ($)
$ in Thousands
 3 Months Ended 9 Months Ended 12 Months Ended
Sep. 30, 2026
Sep. 30, 2025
Sep. 30, 2026
Sep. 30, 2025
Dec. 31, 2025
Balance $ 23,600 $ 21,680 $ 21,480 $ 24,830 $ 24,830
Charge-offs (322) (280) (877) (7,398)  
Recoveries 39 71 354 868  
Credit loss (benefit) expense - loans (2,024) 3,709 336 6,880  
Initial allowance on purchased seasoned loans 357   357    
Balance 21,650 25,180 21,650 25,180 21,480
Mortgage Warehouse Facilities [Member]          
Balance 525 451 665 398 398
Charge-offs 0 0 0 0 0
Recoveries 0 0 0 0  
Credit loss (benefit) expense - loans (360) 55 (500) 108  
Initial allowance on purchased seasoned loans 0   0    
Balance 165 506 165 506 665
Residential Portfolio Segment [Member] | Real Estate Loan [Member]          
Balance 1,320 1,694 1,411 1,808 1,808
Charge-offs (40) 0 (40) 0 0
Recoveries 0 0 0 0  
Credit loss (benefit) expense - loans (159) (294) (250) (408)  
Initial allowance on purchased seasoned loans 0   0    
Balance 1,121 1,400 1,121 1,400 1,411
Commercial Real Estate Portfolio Segment [Member]          
Balance 16,220 17,335 16,650 17,143 17,143
Charge-offs 0 (18) (90) (1,165)  
Recoveries 0 0 0 0  
Credit loss (benefit) expense - loans 737 (524) 397 815  
Initial allowance on purchased seasoned loans 357   357    
Balance 17,314 16,793 17,314 16,793 16,650
Commercial Real Estate Portfolio Segment [Member] | Real Estate Loan [Member]          
Charge-offs     (90)   (1,421)
Farmland & Agriculture Production [Member]          
Balance 4,205 521 1,146 3,827 3,827
Charge-offs (76) 0 (76) (5,300)  
Recoveries 0 0 21 410  
Credit loss (benefit) expense - loans (2,576) 4,081 462 5,665  
Initial allowance on purchased seasoned loans 0   0    
Balance 1,553 4,602 1,553 4,602 1,146
Commercial & Industrial [Member]          
Balance 1,222 1,571 1,496 1,282 1,282
Charge-offs (44) (31) (161) (206)  
Recoveries 1 10 206 35  
Credit loss (benefit) expense - loans 181 216 (181) 655  
Initial allowance on purchased seasoned loans 0   0    
Balance 1,360 1,766 1,360 1,766 1,496
Consumer Portfolio Segment [Member]          
Balance 108 108 112 372 372
Charge-offs (162) (231) (510) [1] (727) (907) [1]
Recoveries 38 61 127 423  
Credit loss (benefit) expense - loans 153 175 408 45  
Initial allowance on purchased seasoned loans 0   0    
Balance $ 137 $ 113 $ 137 $ 113 $ 112
[1] Consumer overdrafts are included in consumer loans and commercial overdrafts are included in other commercial and make up the majority of the gross charge-offs of loans originated in the revolving loans category for these loan classes.