Loans and Allowance for Loan Losses - Summary of Accounts Notes Loans and Financing Receivable (Detail) - USD ($) $ in Thousands	Dec. 31, 2021	Dec. 31, 2020
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	$ 1,808,484	$ 1,020,965
Less: deferred loan fees, net of costs	(906)	(4,271)
Total	1,807,578	1,016,694
Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	320,827	123,675
Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	30,742	292,068
Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	49,877	41,962
Grade 1 Strong [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	32,625	293,680
Grade 1 Strong [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	291
Grade 2 Minimal [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	12,575	10,240
Grade 2 Minimal [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	560
Grade 3 Acceptable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	802,148	293,903
Grade 3 Acceptable [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	156,519
Grade 4 Satisfactory [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	772,432	361,384
Grade 4 Satisfactory [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	133,738
Grade 5 Watch [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	77,821	41,695
Grade 5 Watch [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	11,256
Grade 6 Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	73,568	3,349
Grade 6 Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	3,180
Grade 7 Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	37,315	16,714
Grade 7 Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	6,380
Originated and Purchased Performing Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,724,455	1,019,880
Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	311,924	123,675
Originated and Purchased Performing Loans [Member] | Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	30,742	292,068
Originated and Purchased Performing Loans [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	48,998	41,962
Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	32,625	293,680
Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		844
Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member] | Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	30,742	292,068
Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	262	324
Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	12,575	10,240
Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		484
Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	3	36
Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	802,148	293,863
Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		23,828
Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	16,920	17,062
Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	765,658	361,303
Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		85,928
Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	30,691	23,311
Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	69,066	41,574
Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		7,251
Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	542	521
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	23,133	3,221
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		4
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		1
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	19,250	15,999
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		5,336
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	580	707
PCI Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	84,029	1,085
PCI Loans [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	8,903
PCI Loans [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	879
PCI Loans [Member] | Grade 3 Acceptable [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		40
PCI Loans [Member] | Grade 4 Satisfactory [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	6,774	81
PCI Loans [Member] | Grade 4 Satisfactory [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,567
PCI Loans [Member] | Grade 5 Watch [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	8,755	121
PCI Loans [Member] | Grade 5 Watch [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,818
PCI Loans [Member] | Grade 5 Watch [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	388
PCI Loans [Member] | Grade 6 Special Mention [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	50,435	128
PCI Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,748
PCI Loans [Member] | Grade 6 Special Mention [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	481
PCI Loans [Member] | Grade 7 Substandard [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	18,065	715
PCI Loans [Member] | Grade 7 Substandard [Member] | Commercial and Industrial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,770
PCI Loans [Member] | Grade 7 Substandard [Member] | Consumer Loans [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	10
Real Estate [Member] | Paycheck Protection Program [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	30,742
Real Estate [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	146,523	54,702
Real Estate [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	58,857	18,040
Real Estate [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	701,503	273,499
Real Estate [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	493,982	213,404
Real Estate [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	6,173	3,615
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	131,769	54,667
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	58,857	18,040
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	649,631	272,691
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	486,361	213,162
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	6,173	3,615
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	990
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 1 Strong [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	340	444
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	412	2,143
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,382	3,994
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	9,218	3,583
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 2 Minimal [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	28,973	19,524
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	14,610	3,073
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	307,067	128,163
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	276,992	101,038
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 3 Acceptable [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,067	1,175
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	91,900	26,289
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	40,418	8,247
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	283,165	114,977
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	180,980	100,555
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 4 Satisfactory [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	4,766	1,996
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	7,995	5,916
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	3,416	6,458
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	34,750	15,799
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 5 Watch [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	11,107	5,629
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,846	218
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	17,133	2,875
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	974	123
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	643	577
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Construction, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	413	262
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	5,134	6,883
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	6,100	2,234
Real Estate [Member] | Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Mortgage, Farmland [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans
Real Estate [Member] | PCI Loans [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	14,754	35
Real Estate [Member] | PCI Loans [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	51,872	808
Real Estate [Member] | PCI Loans [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	7,621	242
Real Estate [Member] | PCI Loans [Member] | Grade 3 Acceptable [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans		40
Real Estate [Member] | PCI Loans [Member] | Grade 4 Satisfactory [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,423	35
Real Estate [Member] | PCI Loans [Member] | Grade 4 Satisfactory [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,642
Real Estate [Member] | PCI Loans [Member] | Grade 4 Satisfactory [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	142	46
Real Estate [Member] | PCI Loans [Member] | Grade 5 Watch [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	3,892
Real Estate [Member] | PCI Loans [Member] | Grade 5 Watch [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,657	121
Real Estate [Member] | PCI Loans [Member] | Grade 6 Special Mention [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	11,010
Real Estate [Member] | PCI Loans [Member] | Grade 6 Special Mention [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	33,487	93
Real Estate [Member] | PCI Loans [Member] | Grade 6 Special Mention [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	2,709	35
Real Estate [Member] | PCI Loans [Member] | Grade 7 Substandard [Member] | Construction, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	1,321
Real Estate [Member] | PCI Loans [Member] | Grade 7 Substandard [Member] | Mortgage, Commercial [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	11,851	715
Real Estate [Member] | PCI Loans [Member] | Grade 7 Substandard [Member] | Mortgage, Residential [Member]
Financing Receivable, Credit Quality Indicator [Line Items]
Gross loans	$ 3,113