Loans and Allowance for Loan Losses - Summary of Financing Receivable, Past Due (Detail) - USD ($) $ in Thousands	Jun. 30, 2021	Dec. 31, 2020
Financing Receivable, Past Due [Line Items]
Nonaccrual	$ 11,926	$ 6,548
Total Past Due & Nonaccrual	37,096	11,286
PCI Loans	94,163	1,085
Gross loans	1,860,878	1,025,687
Less: Deferred loan fees, net of costs	(1,008)	(4,271)
Total	1,859,870	1,021,416
30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	20,530	4,147
60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	2,747	545
Greater than 90 Days Past Due & Accruing [Member]
Financing Receivable, Past Due [Line Items]
Days past due	1,893	46
PCI Loans [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	94,163	1,085
Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	1,728,611	1,009,045
Less: Deferred loan fees, net of costs	(1,008)	(4,271)
Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	6,180	1,310
Total Past Due & Nonaccrual	6,850	2,427
PCI Loans	9,235
Gross loans	304,178	123,675
Commercial and Industrial [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans		35
Commercial and Industrial [Member] \| 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	338	1,117
Commercial and Industrial [Member] \| 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	332
Commercial and Industrial [Member] \| PCI Loans [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	9,235
Commercial and Industrial [Member] \| Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	288,093	121,248
Paycheck Protection Program [Member]
Financing Receivable, Past Due [Line Items]
Gross loans	130,489	292,068
Paycheck Protection Program [Member] \| Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	130,489	292,068
Construction, Commercial [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	89
Total Past Due & Nonaccrual	16,698
PCI Loans	22,722
Gross loans	143,215	54,702
Construction, Commercial [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	16,593
Construction, Commercial [Member] \| 60-89 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	7
Construction, Commercial [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	9
Construction, Commercial [Member] \| PCI Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	22,722	35
Construction, Commercial [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	103,795	54,667
Construction, Residential [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	255
Total Past Due & Nonaccrual	706	262
Gross loans	47,894	18,040
Construction, Residential [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due		262
Construction, Residential [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	451
Construction, Residential [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	47,188	17,778
Mortgage, Commercial [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	3,220	3,643
Total Past Due & Nonaccrual	5,255	4,625
PCI Loans	52,945	808
Gross loans	672,592	273,499
Mortgage, Commercial [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	2,007	771
Mortgage, Commercial [Member] \| 60-89 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due		211
Mortgage, Commercial [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	28
Mortgage, Commercial [Member] \| PCI Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	52,945	808
Mortgage, Commercial [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	614,392	268,066
Mortgage, Residential [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,588	881
Total Past Due & Nonaccrual	6,002	1,989
PCI Loans	7,905	242
Gross loans	490,753	213,404
Mortgage, Residential [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	924	1,062
Mortgage, Residential [Member] \| 60-89 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	2,182
Mortgage, Residential [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	1,308	46
Mortgage, Residential [Member] \| PCI Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	7,905	242
Mortgage, Residential [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	476,846	211,173
Mortgage, Farmland [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Gross loans	6,537	3,615
Mortgage, Farmland [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	6,537	3,615
Consumer [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	594	714
Total Past Due & Nonaccrual	1,585	1,983
PCI Loans	1,356
Gross loans	65,220	46,684
Consumer [Member] \| 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	668	935
Consumer [Member] \| 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	226	334
Consumer [Member] \| Greater than 90 Days Past Due & Accruing [Member]
Financing Receivable, Past Due [Line Items]
Days past due	97
Consumer [Member] \| PCI Loans [Member]
Financing Receivable, Past Due [Line Items]
PCI Loans	1,356
Consumer [Member] \| Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	$ 62,279	$ 44,701

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Amount of deferred interest and fee income, unamortized costs incurred to originate loans and leases, unamortized loan commitments and loan syndication fees, and premiums over or discounts from face amounts of acquired loans. Excludes amounts for loans and leases covered under loss sharing agreements.

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