Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2024	Dec. 31, 2023
Fair value of assets and liabilities
Investment securities available-for-sale	$ 349,678	$ 345,275
Equity securities	41,037	41,086
Recurring
Fair value of assets and liabilities
Equity securities	3,800	3,590
Loans held-for-sale	0	629
Recurring \| Level I
Fair value of assets and liabilities
Equity securities	3,800	3,590
Loans held-for-sale	0	0
Recurring \| Level II
Fair value of assets and liabilities
Equity securities	0	0
Loans held-for-sale	0	629
Recurring \| Level III
Fair value of assets and liabilities
Equity securities	0	0
Loans held-for-sale	0	0
United States government agency securities
Fair value of assets and liabilities
Investment securities available-for-sale	39,388	38,408
United States government agency securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	39,388	38,408
United States government agency securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
United States government agency securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	39,388	38,408
United States government agency securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
United States sponsored mortgage-backed securities
Fair value of assets and liabilities
Investment securities available-for-sale	88,017	82,382
United States sponsored mortgage-backed securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	88,017	82,382
United States sponsored mortgage-backed securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
United States sponsored mortgage-backed securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	88,017	82,382
United States sponsored mortgage-backed securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
United States treasury securities
Fair value of assets and liabilities
Investment securities available-for-sale	100,563	100,356
United States treasury securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	100,563	100,356
United States treasury securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
United States treasury securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	100,563	100,356
United States treasury securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Municipal securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	104,491	106,907
Municipal securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Municipal securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	87,128	88,662
Municipal securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	17,363	18,245
Corporate debt securities
Fair value of assets and liabilities
Investment securities available-for-sale	8,948	8,942
Corporate debt securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	8,948	8,942
Corporate debt securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Corporate debt securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	8,948	8,942
Corporate debt securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Other securities
Fair value of assets and liabilities
Investment securities available-for-sale	771	780
Other securities \| Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	771	780
Other securities \| Recurring \| Level I
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Other securities \| Recurring \| Level II
Fair value of assets and liabilities
Investment securities available-for-sale	771	780
Other securities \| Recurring \| Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Interest rate swaps \| Recurring
Fair value of assets and liabilities
Derivative asset	7,784	6,249
Derivative liability	7,784	6,249
Interest rate swaps \| Recurring \| Level I
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Interest rate swaps \| Recurring \| Level II
Fair value of assets and liabilities
Derivative asset	7,784	6,249
Derivative liability	7,784	6,249
Interest rate swaps \| Recurring \| Level III
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Fair value hedge \| Recurring
Fair value of assets and liabilities
Derivative liability	729	6,111
Fair value hedge \| Recurring \| Level I
Fair value of assets and liabilities
Derivative liability	0	0
Fair value hedge \| Recurring \| Level II
Fair value of assets and liabilities
Derivative liability	729	6,111
Fair value hedge \| Recurring \| Level III
Fair value of assets and liabilities
Derivative liability	0	0
Embedded derivative \| Recurring
Fair value of assets and liabilities
Derivative asset	648	648
Embedded derivative \| Recurring \| Level I
Fair value of assets and liabilities
Derivative asset	0	0
Embedded derivative \| Recurring \| Level II
Fair value of assets and liabilities
Derivative asset	0	0
Embedded derivative \| Recurring \| Level III
Fair value of assets and liabilities
Derivative asset	$ 648	$ 648

Amount excluding accrued interest, of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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