Loans and Allowance for Loan Losses - Summary of Loan Portfolio Individually and Collectively Evaluated for Impairment (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	$ 2,400,732	$ 1,777,742
Less: Deferred loan fees, net of costs, excluding PPP loans	(1,640)	(570)
Total, excluding PPP loans	2,399,092	1,777,172
Allowance for loan losses	22,939	12,121	$ 13,827	$ 4,572
PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	58,748	84,029
PCI Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,481	8,903
PCI Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	7	14,754
PCI Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	51,223	51,872
PCI Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	5,678	7,621
PCI Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	359	879
Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,341,984	1,693,713
Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	588,568	311,924
Originated and Purchased Performing Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	183,294	131,769
Originated and Purchased Performing Loans [Member] | Construction, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	76,599	58,857
Originated and Purchased Performing Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	813,766	649,631
Originated and Purchased Performing Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	626,094	486,361
Originated and Purchased Performing Loans [Member] | Mortgage, Farmland [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	6,599	6,173
Originated and Purchased Performing Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	47,064	48,998
Individually Evaluated for Impairment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	45,170	9,733
Less: Deferred loan fees, net of costs, excluding PPP loans		0
Total, excluding PPP loans	45,170	9,733
Individually Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | PCI Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | PCI Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | PCI Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | PCI Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | PCI Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	45,170	9,733
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	39,247	4,612
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	521	527
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Construction, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	4,567	3,194
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	835	1,400
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Farmland [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Collectively Evaluated for Impairment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,355,562	1,768,009
Less: Deferred loan fees, net of costs, excluding PPP loans		(570)
Total, excluding PPP loans	2,355,562	1,767,439
Collectively Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	58,748	84,029
Collectively Evaluated for Impairment [Member] | PCI Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,481	8,903
Collectively Evaluated for Impairment [Member] | PCI Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	7	14,754
Collectively Evaluated for Impairment [Member] | PCI Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	51,223	51,872
Collectively Evaluated for Impairment [Member] | PCI Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	5,678	7,621
Collectively Evaluated for Impairment [Member] | PCI Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	359	879
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,296,814	1,683,980
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	549,321	307,312
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	182,773	131,242
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Construction, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	76,599	58,857
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	809,199	646,437
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	625,259	484,961
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Farmland [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	6,599	6,173
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	47,064	48,998
Related allowance for loan losses [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	22,939	12,121
Less: Deferred loan fees, net of costs, excluding PPP loans		0
Total, excluding PPP loans	22,939	12,121
Related allowance for loan losses [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	3	117
Related allowance for loan losses [Member] | PCI Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	3
Related allowance for loan losses [Member] | PCI Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans		117
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	22,936	12,004
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	15,272	7,133
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Construction, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,637	953
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Construction, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	628	395
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Commercial [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,353	1,403
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Residential [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,760	1,184
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Farmland [Member] | Real Estate [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	4	23
Related allowance for loan losses [Member] | Originated and Purchased Performing Loans [Member] | Consumer [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	$ 1,282	$ 913