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Disclosures about Fair Value Measurements and Financial Instruments - Schedule of estimated fair value and recorded carrying value (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
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FINANCIAL ASSETS: Carrying Value |  |
Investment securities - HTM, Carrying Value | $ 67,179 | $ 63,837
Loans held for sale, Carrying Value |  | 460
Loans, net of allowance for credit losses and unearned income, Carrying Value | 1,041,275 | 1,054,037
Investment securities - HTM, Fair Value | 63,492 | 58,471
Loans held for sale, Fair Value |  | 470
Loans, net of allowance for credit losses and unearned income, Fair Value | 1,031,384 | 990,745
FINANCIAL LIABILITIES: Carrying Value |  |
Deposits with stated maturities, Carrying Value | 381,639 | 336,312
All other borrowings, Carrying Value | 74,780 | 82,784
Deposits with stated maturities, Fair Value | 381,508 | 336,167
All other borrowings, Fair Value | 74,894 | 81,476
Level 1 |  |
FINANCIAL ASSETS: Carrying Value |  |
Loans held for sale, Fair Value |  | 470
Level 2 |  |
FINANCIAL ASSETS: Carrying Value |  |
Investment securities - HTM, Fair Value | 62,522 | 57,535
Level 3 |  |
FINANCIAL ASSETS: Carrying Value |  |
Investment securities - HTM, Fair Value | 970 | 936
Loans, net of allowance for credit losses and unearned income, Fair Value | 1,031,384 | 990,745
FINANCIAL LIABILITIES: Carrying Value |  |
Deposits with stated maturities, Fair Value | 381,508 | 336,167
All other borrowings, Fair Value | $ 74,894 | $ 81,476

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