v3.26.3
Note 4 - Loans - Schedule of Allowance For Credit Loss (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
Beginning balance $ 53,285 $ 38,563 $ 36,811 $ 35,863 $ 35,863
(Credit) Provision for credit losses 2,762 1,501 3,823 5,109  
Initial allowance on purchased seasoned loans 110   15,537    
Loans charged off (2,906) (869) (7,438) (2,315)  
Recoveries 280 333 735 871  
Total ending allowance balance 53,531 39,528 53,531 39,528 36,811
Initial allowance on loans purchased with credit deterioration     4,063    
Commercial Real Estate Portfolio Segment [Member]          
Beginning balance 28,671 21,627 20,064 19,259 19,259
(Credit) Provision for credit losses 1,697 1,428 1,673 3,840  
Initial allowance on purchased seasoned loans 25   8,364    
Loans charged off (2,319) (75) (5,445) (141)  
Recoveries 0 0 0 22  
Total ending allowance balance 28,074 22,980 28,074 22,980 20,064
Initial allowance on loans purchased with credit deterioration     3,418    
Commercial Portfolio Segment [Member]          
Beginning balance 7,950 4,973 4,536 4,628 4,628
(Credit) Provision for credit losses 159 (204) 377 572  
Initial allowance on purchased seasoned loans 85   2,961    
Loans charged off (49) (319) (528) (973)  
Recoveries 92 176 261 399  
Total ending allowance balance 8,237 4,626 8,237 4,626 4,536
Initial allowance on loans purchased with credit deterioration     630    
Residential Portfolio Segment [Member]          
Beginning balance 11,052 7,210 7,241 7,271 7,271
(Credit) Provision for credit losses 174 127 (70) 84  
Initial allowance on purchased seasoned loans 0   4,102    
Loans charged off (67) (154) (219) (231)  
Recoveries 23 25 113 84  
Total ending allowance balance 11,182 7,208 11,182 7,208 7,241
Initial allowance on loans purchased with credit deterioration     15    
Consumer Portfolio Segment [Member]          
Beginning balance 5,612 4,753 4,970 4,705 4,705
(Credit) Provision for credit losses 732 150 1,843 613  
Initial allowance on purchased seasoned loans 0   110    
Loans charged off (471) (321) (1,246) (970)  
Recoveries 165 132 361 366  
Total ending allowance balance $ 6,038 $ 4,714 6,038 $ 4,714 $ 4,970
Initial allowance on loans purchased with credit deterioration     $ 0