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Investment Securities - Total investment securities (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Contractual maturities of securities |  |
Available for Sale, Cost Basis, Within 1 year | $ 9,482 |
Available for Sale, Cost Basis, After 1 year but within 5 years | 23,759 |
Available for Sale, Cost Basis, After 5 years but within 10 years | 34,511 |
Available for Sale, Cost Basis, Over 10 years | 112,819 |
Investment securities available for sale, Cost Basis | 180,571 | $ 172,857
Available for Sale, Fair Value, Within 1 year | 9,424 |
Available for Sale, Fair Value, After 1 year but within 5 years | 23,282 |
Available for Sale, Fair Value, After 5 years but within 10 years | 33,098 |
Available for Sale, Fair Value, Over 10 years | 103,757 |
Available for Sale, Fair Value | 169,561 | 155,620
Held to Maturity, Cost Basis, Within 1 year | 1,900 |
Held to Maturity, Cost Basis, After 1 year but within 5 years | 14,287 |
Held to Maturity, Cost Basis, After 5 years but within 10 years | 17,975 |
Held to Maturity, Cost Basis, Over 10 years | 33,017 |
Investment securities held to maturity, Cost Basis | 67,179 | 63,837
Held to Maturity, Fair Value, Within 1 year | 1,869 |
Held to Maturity, Fair Value, After 1 year but within 5 years | 14,086 |
Held to Maturity, Fair Value, After 5 years but within 10 years | 16,258 |
Held to Maturity, Fair Value, Over 10 years | 31,279 |
Held to Maturity, Fair Value, Total | 63,492 | 58,471
U.S. Agency |  |
Contractual maturities of securities |  |
Investment securities available for sale, Cost Basis | 5,207 | 5,345
Available for Sale, Fair Value | 4,791 | 4,666
Investment securities held to maturity, Cost Basis | 2,500 | 2,500
Held to Maturity, Fair Value, Total | 2,254 | 2,135
U.S. Agency mortgage-backed securities |  |
Contractual maturities of securities |  |
Investment securities available for sale, Cost Basis | 115,335 | 104,227
Available for Sale, Fair Value | 106,177 | 91,534
Investment securities held to maturity, Cost Basis | 33,769 | 26,966
Held to Maturity, Fair Value, Total | 32,041 | 24,591
Municipal |  |
Contractual maturities of securities |  |
Investment securities available for sale, Cost Basis | 11,261 | 9,031
Available for Sale, Fair Value | 10,938 | 8,363
Investment securities held to maturity, Cost Basis | 28,504 | 30,959
Held to Maturity, Fair Value, Total | 26,920 | 28,406
Corporate bonds |  |
Contractual maturities of securities |  |
Investment securities available for sale, Cost Basis | 48,768 | 54,254
Available for Sale, Fair Value | 47,655 | 51,057
Corporate bonds and other securities |  |
Contractual maturities of securities |  |
Investment securities held to maturity, Cost Basis | 2,406 | 3,412
Held to Maturity, Fair Value, Total | $ 2,277 | $ 3,339

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