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Fair Value Measurements - Assets and Liabilities Measured at Fair Value on Recurring Basis (Details) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Fair value of assets and liabilities
Investment securities available-for-sale	$ 376,737	$ 421,466
Equity securities	34,250	32,402
Bank-owned life insurance	42,744	42,257
Estimated Fair Value
Fair value of assets and liabilities
Investment securities available-for-sale	376,737	421,466
Equity securities	34,250	32,402
Loans held-for-sale	11,856	0
Bank-owned life insurance	42,744	42,257
Level I | Estimated Fair Value
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Equity securities	264	247
Loans held-for-sale		0
Bank-owned life insurance		0
Level II | Estimated Fair Value
Fair value of assets and liabilities
Investment securities available-for-sale	339,702	379,703
Equity securities	0	0
Loans held-for-sale		0
Bank-owned life insurance		42,257
Level III | Estimated Fair Value
Fair value of assets and liabilities
Investment securities available-for-sale	37,035	41,763
Equity securities	33,986	32,155
Loans held-for-sale		0
Bank-owned life insurance		0
Recurring
Fair value of assets and liabilities
Equity securities	264	247
Bank-owned life insurance		42,257
Recurring | Estimated Fair Value
Fair value of assets and liabilities
Loans held-for-sale	11,856
Bank-owned life insurance	42,744
Recurring | Level I
Fair value of assets and liabilities
Equity securities	264	247
Bank-owned life insurance		0
Recurring | Level I | Estimated Fair Value
Fair value of assets and liabilities
Loans held-for-sale	0
Bank-owned life insurance	0
Recurring | Level II
Fair value of assets and liabilities
Equity securities	0	0
Bank-owned life insurance		42,257
Recurring | Level II | Estimated Fair Value
Fair value of assets and liabilities
Loans held-for-sale	11,856
Bank-owned life insurance	42,744
Recurring | Level III
Fair value of assets and liabilities
Equity securities	0	0
Bank-owned life insurance		0
Recurring | Level III | Estimated Fair Value
Fair value of assets and liabilities
Loans held-for-sale	0
Bank-owned life insurance	0
United States government agency securities
Fair value of assets and liabilities
Investment securities available-for-sale	49,711	40,437
United States government agency securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	49,711	40,437
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	49,711	40,437
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	63,068	76,108
United States sponsored mortgage-backed securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	63,068	76,108
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	63,068	76,108
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	104,280	110,389
United States treasury securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	104,280	110,389
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	104,280	110,389
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	144,524	175,012
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	107,489	133,249
Municipal securities | Recurring | Level III
Fair value of assets and liabilities
Investment securities available-for-sale	37,035	41,763
Corporate debt securities
Fair value of assets and liabilities
Investment securities available-for-sale	6,799	11,142
Corporate debt securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	6,794	11,142
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	6,794	11,142
Corporate debt securities | Recurring | Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Other debt securities
Fair value of assets and liabilities
Investment securities available-for-sale	7,500	7,500
Other debt securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale		7,500
Other debt securities | Recurring | Level I
Fair value of assets and liabilities
Investment securities available-for-sale		0
Other debt securities | Recurring | Level II
Fair value of assets and liabilities
Investment securities available-for-sale		7,500
Other debt securities | Recurring | Level III
Fair value of assets and liabilities
Investment securities available-for-sale		0
Other securities
Fair value of assets and liabilities
Investment securities available-for-sale	855	878
Other securities | Recurring
Fair value of assets and liabilities
Investment securities available-for-sale	855	878
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	855	878
Other securities | Recurring | Level III
Fair value of assets and liabilities
Investment securities available-for-sale	0	0
Interest rate swap | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	4,398	6,702
Derivative liability	4,398	6,702
Interest rate swap | Level I | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Interest rate swap | Level II | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	4,398	6,702
Derivative liability	4,398	6,702
Interest rate swap | Level III | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Interest rate swap | Recurring
Fair value of assets and liabilities
Derivative asset	4,398	6,702
Derivative liability	4,398	6,702
Interest rate swap | Recurring | Level I
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Interest rate swap | Recurring | Level II
Fair value of assets and liabilities
Derivative asset	4,398	6,702
Derivative liability	4,398	6,702
Interest rate swap | Recurring | Level III
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Fair value hedge | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	204	1,552
Derivative liability		807
Fair value hedge | Level I | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability		0
Fair value hedge | Level II | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	204	1,552
Derivative liability		807
Fair value hedge | Level III | Estimated Fair Value
Fair value of assets and liabilities
Derivative asset	0
Derivative liability		0
Fair value hedge | Recurring
Fair value of assets and liabilities
Derivative asset	204	1,552
Derivative liability	(142)	807
Fair value hedge | Recurring | Level I
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	0	0
Fair value hedge | Recurring | Level II
Fair value of assets and liabilities
Derivative asset	204	1,552
Derivative liability	(142)	807
Fair value hedge | Recurring | Level III
Fair value of assets and liabilities
Derivative asset	0	0
Derivative liability	$ 0	$ 0

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- Definition

The carrying amount of a life insurance policy on an officer, executive or employee for which the reporting entity (a bank) is entitled to proceeds from the policy upon death of the insured or surrender of the insurance policy.

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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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