Loans and Allowance For Loan Losses - Summary of Aging Analysis of the Loan Portfolio by the Time Past Due (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Financing Receivable, Past Due [Line Items]
Total	$ 1,593,421	$ 1,376,649
Commercial And Industrial [Member]
Financing Receivable, Past Due [Line Items]
Total	634,535	474,281
Real Estate - Construction & Land [Member]
Financing Receivable, Past Due [Line Items]
Total	63,730	43,194
SBA [Member]
Financing Receivable, Past Due [Line Items]
Total	7,220	81,403
Other Loans [Member]
Financing Receivable, Past Due [Line Items]
Total	39,695	80,559
Loans Receivable [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,250	232
Current	1,589,011	1,373,820
Total	1,593,421	1,376,649
Loans Receivable [Member] \| Over 30 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Current	3,160
Loans Receivable [Member] \| Over 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Current		2,597
Loans Receivable [Member] \| Commercial And Industrial [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,028
Current	633,507	471,684
Total	634,535	474,281
Loans Receivable [Member] \| Commercial And Industrial [Member] \| Over 60 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Current		2,597
Loans Receivable [Member] \| Real Estate - Other [Member]
Financing Receivable, Past Due [Line Items]
Current	845,081	697,212
Total	848,241	697,212
Loans Receivable [Member] \| Real Estate - Other [Member] \| Over 30 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Current	3,160
Loans Receivable [Member] \| Real Estate - Construction & Land [Member]
Financing Receivable, Past Due [Line Items]
Current	63,730	43,194
Total	63,730	43,194
Loans Receivable [Member] \| SBA [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	222	232
Current	6,998	81,171
Total	7,220	81,403
Loans Receivable [Member] \| Other Loans [Member]
Financing Receivable, Past Due [Line Items]
Current	39,695	80,559
Total	$ 39,695	$ 80,559

Amortized cost of financing receivable on nonaccrual status. Excludes net investment in lease.

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