Loans and Allowance For Loan Losses - Summary of Outstanding Loans (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	$ 1,376,649	$ 1,369,070
Deferred loan origination (fees)/costs, net	1,688	523
Allowance for loan losses	(14,081)	(14,111)	$ (11,075)
Total loans, net	1,364,256	1,355,482
Commercial And Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	474,281	414,548
Allowance for loan losses	(8,552)	(8,923)	(6,708)
Real estate—other [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	697,212	550,690
Real estate - construction and land [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	43,194	37,193
Allowance for loan losses	(681)	(681)	(1,022)
SBA [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	81,403	317,564
Allowance for loan losses	(309)	(604)	(50)
Other Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Loans and Leases Receivable Gross	80,559	49,075
Allowance for loan losses	$ (15)	$ (26)	$ (14)

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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