Fair Value - Summary of Estimated Fair Values and Related Carrying Amounts of Financial Instruments (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial Assets
Cash and due from banks	$ 110,491	$ 77,274
Securities available for sale	321,081	354,341
Restricted equity investments	18,621	21,257
Other equity investments	12,905	23,776
Other investments	29,467	24,672
Financial Liabilities
Noninterest-bearing deposits	506,248	640,101
Savings deposits	117,923	151,646
Time deposits	892,325	391,961
FHLB borrowings	210,000	311,700
Subordinated notes, net	39,855	39,920
Carrying Value
Financial Assets
Cash and due from banks	110,491	77,274
Restricted cash	10,660
Federal funds sold	4,451	1,426
Securities available for sale	321,081	354,341
Restricted equity investments	18,621	21,257
Other equity investments	12,905	23,776
Other investments	29,467	24,672
PPP loans receivable, net	2,386	11,967
Loans held for investment, net	2,392,668	2,368,352
Accrued interest receivable	14,967	11,569
Bank owned life insurance	48,453	47,245
MSR assets	27,114	28,991
Financial Liabilities
Noninterest-bearing deposits	506,248	640,101
Interest-bearing demand and money market deposits	1,049,536	1,318,799
Savings deposits	117,923	151,646
Time deposits	892,325	391,961
FHLB borrowings	210,000	311,700
FRB borrowings	65,000	51
Subordinated notes, net	39,855	39,920
Fair Value
Financial Assets
Cash and due from banks	110,491	77,274
Restricted cash	10,660
Federal funds sold	4,451	1,426
Securities available for sale	321,081	354,341
Restricted equity investments	18,621	21,257
Other equity investments	12,905	23,776
Other investments	29,467	24,672
PPP loans receivable, net	2,386	11,967
Loans held for investment, net	2,313,727	2,321,042
Accrued interest receivable	14,967	11,569
Bank owned life insurance	48,453	47,245
MSR assets	27,114	28,991
Financial Liabilities
Noninterest-bearing deposits	506,248	640,101
Interest-bearing demand and money market deposits	1,049,536	1,318,799
Savings deposits	117,923	151,646
Time deposits	892,439	352,294
FHLB borrowings	211,799	311,700
FRB borrowings	65,000	51
Subordinated notes, net	37,803	37,689
Level 1 [Member]
Financial Assets
Cash and due from banks	110,491	77,274
Restricted cash	10,660
Federal funds sold	4,451	1,426
Financial Liabilities
Noninterest-bearing deposits	506,248	640,101
Level 2 [Member]
Financial Assets
Securities available for sale	320,331	342,435
Restricted equity investments	18,621	21,257
Other equity investments	12,905	23,776
Accrued interest receivable	14,967	11,569
Bank owned life insurance	48,453	47,245
Financial Liabilities
Interest-bearing demand and money market deposits	1,049,536	1,318,799
Savings deposits	117,923	151,646
FHLB borrowings	211,799	311,700
FRB borrowings	65,000	51
Level 3 [Member]
Financial Assets
Securities available for sale	750	11,906
Other investments	29,467	24,672
PPP loans receivable, net	2,386	11,967
Loans held for investment, net	2,313,727	2,321,042
MSR assets	27,114	28,991
Financial Liabilities
Time deposits	892,439	352,294
Subordinated notes, net	$ 37,803	$ 37,689

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Advances from federal reserve banks.

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MSR Assets.

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Amount of borrowings as of the balance sheet date from the Federal Home Loan Bank, which are primarily used to cover shortages in the required reserve balance and liquidity shortages.

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Amount 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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For banks and other depository institutions: Includes cash on hand (currency and coin), cash items in process of collection, noninterest bearing deposits due from other financial institutions (including corporate credit unions), and noninterest bearing balances with the Federal Reserve Banks, Federal Home Loan Banks and central banks.

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Amount of restricted investment in equity security measured at fair value with change in fair value recognized in net income (FV-NI).

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For banks and other depository institutions (including Federal Reserve Banks, if applicable): Interest-bearing deposits in other financial institutions for relatively short periods of time including, for example, certificates of deposits, which are presented separately from cash on the balance sheet.

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The aggregate amount of all domestic and foreign noninterest-bearing deposits liabilities held by the entity.

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Amount of investments classified as other.

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Amount of cash restricted as to withdrawal or usage. Cash includes, but is not limited to, currency on hand, demand deposits with banks or financial institutions, and other accounts with general characteristics of demand deposits.

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Including the current and noncurrent portions, carrying value as of the balance sheet date of subordinated debt (with initial maturities beyond one year or beyond the operating cycle if longer). Subordinated debt places a lender in a lien position behind debt having a higher priority of repayment in liquidation of the entity's assets.

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Amount of time deposit liabilities, including certificates of deposit.

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