v3.25.4
Quarterly Information (Details) - USD ($)
$ / shares in Units, $ in Thousands
 3 Months Ended 12 Months Ended
Dec. 31, 2025
Sep. 30, 2025
Jun. 30, 2025
Mar. 31, 2025
Dec. 31, 2024
Sep. 30, 2024
Jun. 30, 2024
Mar. 31, 2024
Dec. 31, 2025
Dec. 31, 2024
Dec. 31, 2023
Dec. 31, 2022
Balance Sheets                        
Cash and cash equivalents $ 27,779 $ 31,606 $ 27,360 $ 26,432 $ 27,636 $ 35,136 $ 27,816 $ 23,875 $ 27,779 $ 27,636 $ 31,942 $ 22,728
Interest-bearing deposits in other banks 4,124 7,225 3,253 2,938 22,100 17,199 33,133 2,911 4,124 22,100    
Investments 620,408 636,045 646,121 649,335 644,384 662,656 651,023 653,904 620,408 644,384    
Restricted equity securities 8,275 6,916 7,734 7,509 7,203 6,420 7,110 5,933 8,275 7,203    
Net loans and loans held for sale 2,368,744 2,373,765 2,369,178 2,358,036 2,316,069 2,283,254 2,222,977 2,149,539 2,368,744 2,316,069    
Other assets 136,973 142,921 145,864 143,122 139,618 137,898 142,885 142,008 136,973 139,618    
Total assets 3,166,303 3,198,478 3,199,510 3,187,372 3,157,010 3,142,563 3,084,944 2,978,170 3,166,303 3,157,010    
Deposits 2,664,752 2,737,550 2,705,337 2,711,335 2,725,251 2,702,718 2,578,080 2,548,988 2,664,752 2,725,251    
Borrowed funds 187,821 152,968 196,170 185,444 146,278 151,027 230,620 154,779 187,821 146,278    
Other liabilities 30,587 33,394 32,511 30,912 32,988 32,035 31,576 31,779 30,587 32,988    
Shareholders' equity 283,143 274,566 265,492 259,681 252,493 256,783 244,668 242,624 283,143 252,493 243,079 $ 228,923
Total liabilities and shareholders' equity 3,166,303 3,198,478 3,199,510 3,187,372 3,157,010 3,142,563 3,084,944 2,978,170 3,166,303 3,157,010    
Income and Comprehensive Income Statements                        
Interest income 40,732 41,005 39,825 38,709 38,999 38,287 36,558 34,988 160,271 148,832 128,174  
Interest expense 19,621 20,947 21,416 20,910 21,446 21,885 21,483 20,108 82,894 84,922 62,967  
Net interest income 21,111 20,058 18,409 17,799 17,553 16,402 15,075 14,880 77,377 63,910 65,207  
Credit loss (reduction) expense 272 700 486 392 1,164 (638) 512 (513) 1,850 525 1,184  
Net interest income after provision for credit losses 20,839 19,358 17,923 17,407 16,389 17,040 14,563 15,393 75,527 63,385 64,023  
Non-interest income 4,734 4,475 4,129 4,002 4,436 4,122 4,157 3,640 17,340 16,355 15,437  
Non-interest expense 13,131 12,754 12,199 12,844 12,145 12,000 11,250 11,761 50,928 47,156 43,758  
Income before income taxes 12,442 11,079 9,853 8,565 8,680 9,162 7,470 7,272 41,939 32,584 35,702  
Income taxes 2,270 1,997 1,790 1,488 1,398 1,591 1,299 1,251 7,545 5,539 6,184  
Net income $ 10,172 $ 9,082 $ 8,063 $ 7,077 $ 7,282 $ 7,571 $ 6,171 $ 6,021 $ 34,394 $ 27,045 $ 29,518  
Basic earnings per share (usd per share) $ 0.91 $ 0.82 $ 0.73 $ 0.64 $ 0.65 $ 0.69 $ 0.56 $ 0.55 $ 3.10 $ 2.45 $ 2.68  
Diluted earnings per share (usd per share) $ 0.91 $ 0.81 $ 0.72 $ 0.63 $ 0.66 $ 0.68 $ 0.55 $ 0.54 $ 3.07 $ 2.43 $ 2.66  
Other comprehensive income (loss), net of tax                        
Net unrealized (loss) gain on securities available for sale $ 2,182 $ 3,714 $ 1,465 $ 3,969 $ (8,277) $ 8,975 $ (553) $ (3,241) $ 11,330 $ (3,096) $ 5,143  
Net unrealized gain (loss) on securities transferred from available for sale to held to maturity 2 20 (15) 2 2 2 3 2 9 9 8  
Net unrealized gain (loss) on cash flow hedging derivative instruments (19) (65) 2 (75) 293 (869) (2) 435 (157) (143) (244)  
Unrecognized loss on postretirement benefit costs (47) 0 0 0 (16) 0 0 0 (47) (16) 30  
Other comprehensive gain (loss) 2,118 3,669 1,452 3,896 (7,998) 8,108 (552) (2,804) 11,135 (3,246) 4,937  
Comprehensive income $ 12,290 $ 12,751 $ 9,515 $ 10,973 $ (716) $ 15,679 $ 5,619 $ 3,217 $ 45,529 $ 23,799 $ 34,455