Loans - Summary of Financing Receivable, Past Due (Detail) - USD ($) $ in Thousands	Jun. 30, 2020	Dec. 31, 2019
Financing Receivable, Past Due [Line Items]
Nonaccrual	$ 3,852	$ 4,790
Total Past Due & Nonaccrual	9,430	12,904
Gross loans	1,031,838	647,572
Less: Unearned income	(10,373)	(738)
Total	1,021,465	646,834
30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	2,147	7,120
60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	1,111	625
Greater than 90 Days Past Due & Accruing [Member]
Financing Receivable, Past Due [Line Items]
Days past due	2,320	369
Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	1,012,035	633,930
Less: Unearned income	(10,373)	(738)
Commercial and Industrial [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	414	441
Total Past Due & Nonaccrual	973	2,093
Gross loans	437,160	77,728
Commercial and Industrial [Member] \| 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	449	1,652
Commercial and Industrial [Member] \| 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	52
Commercial and Industrial [Member] \| Greater than 90 Days Past Due & Accruing [Member]
Financing Receivable, Past Due [Line Items]
Days past due	58
Commercial and Industrial [Member] \| Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	436,187	75,635
Construction, Commercial [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	908	929
Total Past Due & Nonaccrual	908	1,749
Gross loans	45,777	38,039
Construction, Commercial [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due		820
Construction, Commercial [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	44,869	36,290
Construction, Residential [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Total Past Due & Nonaccrual		241
Gross loans	23,406	26,778
Construction, Residential [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due		241
Construction, Residential [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	23,406	26,537
Mortgage, Commercial [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	1,375	1,931
Total Past Due & Nonaccrual	2,938	5,125
Gross loans	263,793	251,824
Mortgage, Commercial [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	211	3,194
Mortgage, Commercial [Member] \| 60-89 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	965
Mortgage, Commercial [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	387
Mortgage, Commercial [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	260,855	246,699
Mortgage, Residential [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	477	713
Total Past Due & Nonaccrual	3,307	1,618
Gross loans	212,002	208,494
Mortgage, Residential [Member] \| 30-59 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	931	319
Mortgage, Residential [Member] \| 60-89 Days Past Due [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	41	217
Mortgage, Residential [Member] \| Greater than 90 Days Past Due & Accruing [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Days past due	1,858	369
Mortgage, Residential [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	208,695	206,876
Mortgage, Farmland [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Gross loans	4,803	5,507
Mortgage, Farmland [Member] \| Current Loans [Member] \| Real Estate [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	4,803	5,507
Consumer Installment Loans [Member]
Financing Receivable, Past Due [Line Items]
Nonaccrual	678	776
Total Past Due & Nonaccrual	1,304	2,078
Gross loans	44,897	39,202
Consumer Installment Loans [Member] \| 30-59 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	556	894
Consumer Installment Loans [Member] \| 60-89 Days Past Due [Member]
Financing Receivable, Past Due [Line Items]
Days past due	53	408
Consumer Installment Loans [Member] \| Greater than 90 Days Past Due & Accruing [Member]
Financing Receivable, Past Due [Line Items]
Days past due	17
Consumer Installment Loans [Member] \| Current Loans [Member]
Financing Receivable, Past Due [Line Items]
Current Loans	$ 43,593	$ 37,124

Financing receivable total past due and non accrual.

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Amount of financing receivable not past due.

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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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