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Fair Value of Financial Instruments and Fair Value Measurements - Schedule of Carrying Amount, Estimated Fair Values, and Placement in Fair Value Hierarchy (Details) - USD ($) $ in Thousands | Sep. 30, 2025 | Dec. 31, 2024
--- | --- | ---
Assets |  |
Investment securities available-for-sale | $ 305,259 | $ 366,049
Investment securities held-to-maturity | 353,618 | 383,020
Carrying Value |  |
Assets |  |
Cash and short-term investments | 199,966 | 231,034
Investment securities available-for-sale | 305,259 | 366,049
Investment securities held-to-maturity | 389,135 | 430,077
Other investments | 17,999 | 17,694
Loans held for sale | 19,286 | 39,786
Loans, net | 2,018,970 | 1,824,000
Derivative assets |  | $ 784
Derivative Asset, Statement of Financial Position [Extensible Enumeration] |  | Other assets
Liabilities |  |
Deposits | 2,584,329 | $ 2,567,943
Federal Home Loan Bank advances | 185,000 | 185,000
Other borrowings | 63,109 | 63,039
Derivative liabilities | $ 610 | $ 47
Derivative Liability, Statement of Financial Position [Extensible Enumeration] | Other liabilities | Other liabilities
Estimated Fair Value |  |
Assets |  |
Cash and short-term investments | $ 199,966 | $ 231,034
Investment securities available-for-sale | 305,259 | 366,049
Investment securities held-to-maturity | 353,618 | 383,020
Other investments | 17,999 | 17,694
Loans held for sale | 19,286 | 39,786
Loans, net | 1,937,639 | 1,703,487
Derivative assets |  | 784
Liabilities |  |
Deposits | 2,581,784 | 2,564,143
Federal Home Loan Bank advances | 184,058 | 186,468
Other borrowings | 54,124 | 52,057
Derivative liabilities | 610 | 47
Estimated Fair Value | Level 1 |  |
Assets |  |
Cash and short-term investments | 199,966 | 231,034
Investment securities available-for-sale | 0 | 0
Investment securities held-to-maturity | 0 | 0
Other investments | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 0 | 0
Derivative assets |  | 0
Liabilities |  |
Deposits | 0 | 0
Federal Home Loan Bank advances | 0 | 0
Other borrowings | 0 | 0
Derivative liabilities | 0 | 0
Estimated Fair Value | Level 2 |  |
Assets |  |
Cash and short-term investments | 0 | 0
Investment securities available-for-sale | 298,373 | 357,128
Investment securities held-to-maturity | 353,618 | 383,020
Other investments | 17,999 | 17,694
Loans held for sale | 19,286 | 39,786
Loans, net | 0 | 0
Derivative assets |  | 784
Liabilities |  |
Deposits | 2,581,784 | 2,564,143
Federal Home Loan Bank advances | 184,058 | 186,468
Other borrowings | 54,124 | 52,057
Derivative liabilities | 610 | 47
Estimated Fair Value | Level 3 |  |
Assets |  |
Cash and short-term investments | 0 | 0
Investment securities available-for-sale | 6,886 | 8,921
Investment securities held-to-maturity | 0 | 0
Other investments | 0 | 0
Loans held for sale | 0 | 0
Loans, net | 1,937,639 | 1,703,487
Derivative assets |  | 0
Liabilities |  |
Deposits | 0 | 0
Federal Home Loan Bank advances | 0 | 0
Other borrowings | 0 | 0
Derivative liabilities | $ 0 | $ 0

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