Loans and Allowance for Loan Losses - Summary of Loan Portfolio Individually and Collectively Evaluated for Impairment (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	$ 2,049,933	$ 1,777,742
Less: Deferred loan fees, net of costs, excluding PPP loans	(1,550)	(570)
Total, excluding PPP loans	2,048,383	1,777,172
Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,983,912	1,693,713
PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	66,021	84,029
Individually Evaluated for Impairment [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	18,898	9,733
Less: Deferred loan fees, net of costs, excluding PPP loans	0	0
Total, excluding PPP loans	18,898	9,733
Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	18,898	9,733
Individually Evaluated for Impairment [Member] | PCI Loans [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	2,031,035	1,768,009
Less: Deferred loan fees, net of costs, excluding PPP loans	(1,550)	(570)
Total, excluding PPP loans	2,029,485	1,767,439
Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,965,014	1,683,980
Collectively Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	66,021	84,029
Related Allowance for Loan Losses [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	17,242	12,121
Less: Deferred loan fees, net of costs, excluding PPP loans	0	0
Total, excluding PPP loans	17,242	12,121
Related Allowance for Loan Losses [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	17,231	12,004
Related Allowance for Loan Losses [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	11	117
Commercial and Industrial [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	493,446	311,924
Commercial and Industrial [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	3,516	8,903
Commercial and Industrial [Member] | Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	7,858	4,612
Commercial and Industrial [Member] | Individually Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Commercial and Industrial [Member] | Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	485,588	307,312
Commercial and Industrial [Member] | Collectively Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	3,516	8,903
Commercial and Industrial [Member] | Related Allowance for Loan Losses [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	10,435	7,133
Construction, commercial [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	122,455	131,769
Construction, commercial [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,191	14,754
Construction, commercial [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	527	527
Construction, commercial [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Construction, commercial [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	121,928	131,242
Construction, commercial [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,191	14,754
Construction, commercial [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	284	953
Construction, Residential [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	69,669	58,857
Construction, Residential [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Construction, Residential [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	69,669	58,857
Construction, Residential [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	117	395
Mortgage, Commercial [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	736,423	649,631
Mortgage, Commercial [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	55,042	51,872
Mortgage, Commercial [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	9,013	3,194
Mortgage, Commercial [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Mortgage, Commercial [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	727,410	646,437
Mortgage, Commercial [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	55,042	51,872
Mortgage, Commercial [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,903	1,403
Mortgage, Residential [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	516,316	486,361
Mortgage, Residential [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	5,903	7,621
Mortgage, Residential [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	1,500	1,400
Mortgage, Residential [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Mortgage, Residential [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	514,816	484,961
Mortgage, Residential [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	5,903	7,621
Mortgage, Residential [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	2,345	1,184
Mortgage, Residential [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	11	117
Mortgage, Farmland [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	6,880	6,173
Mortgage, Farmland [Member] | Individually Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Mortgage, Farmland [Member] | Collectively Evaluated for Impairment [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	6,880	6,173
Mortgage, Farmland [Member] | Related Allowance for Loan Losses [Member] | Real Estate [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	25	23
Consumer [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	38,723	48,998
Consumer [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	369	879
Consumer [Member] | Individually Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Consumer [Member] | Individually Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	0	0
Consumer [Member] | Collectively Evaluated for Impairment [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	38,723	48,998
Consumer [Member] | Collectively Evaluated for Impairment [Member] | PCI Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	369	879
Consumer [Member] | Related Allowance for Loan Losses [Member] | Originated and Purchased Performing Loans [Member]
Loans and Leases Receivable Disclosure [Line Items]
Gross loans, excluding PPP loans	$ 1,122	$ 913