Fair Value Measurements - Summary of Carrying Amounts and Estimated Fair Values of Financial Instruments (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Financial assets
Cash and due from banks	$ 207,667	$ 232,382
Available for sale	44,687	47,012
Held to maturity	94,137	96,883
Loans, net	1,503,599	1,519,903
Accrued interest receivable	7,249	7,769
Financial liabilities
Deposits	1,738,815	1,791,680
Other borrowings		0
Subordinated debt	49,378	49,027
Accrued interest payable	4,047	1,678
Carrying Amount [Member]
Financial assets
Cash and due from banks	207,667	232,382
Available for sale	44,867	47,012
Held to maturity	106,262	108,866
Loans, net	1,569,546	1,578,456
Accrued interest receivable	7,289	7,769
Financial liabilities
Deposits	1,738,296	1,791,740
Other borrowings		0
Subordinated debt	54,221	54,152
Accrued interest payable	4,047	1,678
Level 1 [Member]
Financial assets
Cash and due from banks	207,667	232,382
Financial liabilities
Deposits	1,405,104	1,520,502
Level 2 [Member]
Financial assets
Available for sale	44,687	47,012
Held to maturity	86,750	89,433
Accrued interest receivable	957	926
Financial liabilities
Deposits	333,711	271,178
Accrued interest payable	3,379	1,007
Level 3 [Member]
Financial assets
Available for sale	0	0
Held to maturity	7,387	7,450
Loans, net	1,503,599	1,519,903
Accrued interest receivable	6,292	6,843
Financial liabilities
Other borrowings		0
Subordinated debt	49,378	49,027
Accrued interest payable	$ 668	$ 671