LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Detail)	12 Months Ended
Dec. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($)
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	$ 2,298,313,000	$ 2,151,232,000
SBA, loan guarantee, percentage	100.00%
Maximum percentage of loan-to-value ratio upon loan origination (no more than)	80.00%
Maximum percentage of loan-to-value ratios of the value of the real estate taken as collateral (no greater than)	85.00%
Risk review of commercial relationships with committed loan balance amount (exceeds)	$ 1,000,000
Amount of loans reviewed that require approval	$ 500,000
Period past due when loans are deemed impaired	90 days
Appraisals, required period interval	18 months
Minimum amount on which annual updated appraisals for criticized loans are required	$ 250,000
Percentage of strong loan-to-value	70.00%
Loans modified as TDR \| loan	2
Loans modified as TDRs paid off \| loan	1
Commercial And Industrial
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	$ 367,085,000	357,774,000
SBA \| Commercial \| 2021 Remaining Payment Deferrals
Financing Receivable, Allowance for Credit Losses [Line Items]
PPP Loan processing fee income	70,000
SBA \| Commercial \| Payment Delay
Financing Receivable, Allowance for Credit Losses [Line Items]
Allowance for loan losses	0	0
SBA \| Commercial And Industrial \| SBA PPP Loans
Financing Receivable, Allowance for Credit Losses [Line Items]
Loans	$ 5,700,000	$ 13,800,000

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Minimum amount on which annual updated appraisals for criticized loans is required.

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Percentage of loan to value ratio of value of real estate taken as collateral.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
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-URI https://asc.fasb.org//1943274/2147479319/326-20-50-13

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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Amortized cost excluding accrued interest, before allowance for credit loss, of financing receivable. Excludes net investment in lease.

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Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 45
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-URI https://asc.fasb.org//1943274/2147479344/326-20-45-1

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