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Allowance for Credit Losses - Loans - Loan portfolio and allowance for credit losses (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Jun. 30, 2025 | Dec. 31, 2024 | Sep. 30, 2024 | Jun. 30, 2024 | Dec. 31, 2023
--- | --- | --- | --- | --- | --- | ---
Loans: |  |  |  |  |  |
Individually evaluated | $ 16,684 |  | $ 14,266 |  |  |
Collectively evaluated | 1,038,999 |  | 1,053,683 |  |  |
Total loans | 1,055,683 |  | 1,067,949 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 1,794 |  | 541 |  |  |
General reserve allocation | 12,614 |  | 13,371 |  |  |
Total allowance for credit losses | 14,408 | $ 14,060 | 13,912 | $ 14,420 | $ 14,611 | $ 15,053
Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 7,972 |  | 8,773 |  |  |
Collectively evaluated | 228,380 |  | 225,109 |  |  |
Total loans | 236,352 |  | 233,882 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 185 |  | 0 |  |  |
General reserve allocation | 3,878 |  | 3,451 |  |  |
Total allowance for credit losses | 4,063 | 4,317 | 3,451 | 4,641 | 4,665 | 3,428
Commercial Portfolio Segment |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total loans | 771,497 |  | 782,228 |  |  |
Commercial Portfolio Segment | Commercial real estate (owner occupied) |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 3,818 |  | 3,429 |  |  |
Collectively evaluated | 84,663 |  | 83,524 |  |  |
Total loans | 88,481 |  | 86,953 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 0 |  | 0 |  |  |
General reserve allocation | 318 |  | 398 |  |  |
Total allowance for credit losses | 318 | 319 | 398 | 432 | 371 | 1,529
Commercial Portfolio Segment | Commercial and industrial |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 3,607 |  | 1,675 |  |  |
Collectively evaluated | 136,754 |  | 145,576 |  |  |
Total loans | 140,361 |  | 147,251 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 1,609 |  | 541 |  |  |
General reserve allocation | 2,098 |  | 2,319 |  |  |
Total allowance for credit losses | 3,707 | 3,012 | 2,860 | 2,438 | 2,678 | 3,030
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - retail |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 1,126 |  | 0 |  |  |
Collectively evaluated | 179,423 |  | 181,778 |  |  |
Total loans | 180,549 |  | 181,778 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 0 |  | 0 |  |  |
General reserve allocation | 3,493 |  | 3,695 |  |  |
Total allowance for credit losses | 3,493 | 3,516 | 3,695 | 3,451 | 3,519 | 3,488
Commercial Portfolio Segment | Commercial real estate (non-owner occupied) - multi-family |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 0 |  | 0 |  |  |
Collectively evaluated | 125,754 |  | 132,364 |  |  |
Total loans | 125,754 |  | 132,364 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 0 |  | 0 |  |  |
General reserve allocation | 1,378 |  | 1,478 |  |  |
Total allowance for credit losses | 1,378 | 1,446 | 1,478 | 1,423 | 1,370 | 1,430
Commercial Portfolio Segment | Other commercial real estate (non-owner occupied) |  |  |  |  |  |
Loans: |  |  |  |  |  |
Total loans | 236,352 |  | 233,882 |  |  |
Residential mortgages |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated | 161 |  | 379 |  |  |
Collectively evaluated | 172,451 |  | 176,731 |  |  |
Total loans | 172,612 |  | 177,110 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 0 |  | 0 |  |  |
General reserve allocation | 303 |  | 839 |  |  |
Total allowance for credit losses | 303 | 310 | 839 | 852 | 852 | 1,021
Consumer |  |  |  |  |  |
Loans: |  |  |  |  |  |
Individually evaluated |  |  | 10 |  |  |
Collectively evaluated | 111,574 |  | 108,601 |  |  |
Total loans | 111,574 |  | 108,611 |  |  |
Allowance for loan losses: |  |  |  |  |  |
Specific reserve allocation | 0 |  | 0 |  |  |
General reserve allocation | 1,146 |  | 1,191 |  |  |
Total allowance for credit losses | $ 1,146 | $ 1,140 | $ 1,191 | $ 1,183 | $ 1,156 | $ 1,127

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