Loans and Allowance For Loan Losses - Summary of Outstanding Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	$ 1,593,421	$ 1,376,649
Deferred loan origination (fees)/costs, net	2,040	1,688
Allowance for loan losses	(17,005)	(14,081)	$ (14,111)
Total loans, net	1,578,456	1,364,256
Commercial And Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	634,535	474,281
Allowance for loan losses	(10,620)	(8,552)	(8,923)
Real estate—other [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	848,241	697,212
Real estate - construction and land [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	63,730	43,194
Allowance for loan losses	(884)	(681)	(681)
SBA [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	7,220	81,403
Allowance for loan losses	(132)	(309)	(604)
Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	39,695	80,559
Allowance for loan losses	$ (47)	$ (15)	$ (26)

Amount of allowance to cover probable credit losses on loans and leases. Includes carryover of or adjustments to the allowance for loan losses in connection with business combinations. Excludes allowance for loans and leases covered under loss sharing agreements.

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Amount after allowance and deduction of deferred interest and fees, unamortized costs and premiums and discounts from face amounts, of loans and leases held in portfolio, including but not limited to, commercial and consumer loans. Excludes loans and leases covered under loss sharing agreements and loans held for sale.

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