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Loans and Allowance for Loan Losses - Summary of Accounts Notes Loans and Financing Receivable (Detail) - USD ($)
$ in Thousands
Sep. 30, 2022
Dec. 31, 2021
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans $ 2,172,802 $ 1,808,484
Less: deferred loan fees, net of costs (1,312) (906)
Total 2,171,490 1,807,578
Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 522,281 320,827
Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 13,148 30,742
Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 38,400 49,877
Grade 1 Prime [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 15,141 32,625
Grade 2 Desirable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 11,263 12,575
Grade 3 Good [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 725,401 802,148
Grade 4 Acceptable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,273,633 772,432
Grade 5 Pass/Watch [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 108,476 77,821
Grade 6 Special Mention [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 15,432 73,568
Grade 7 Substandard [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 22,659 37,315
Grade 8 Doubtful [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 797 0
Real Estate [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 145,066 146,523
Real Estate [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 77,085 58,857
Real Estate [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 800,134 701,503
Real Estate [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 569,931 493,982
Real Estate [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 6,757 6,173
PCI Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 65,190 84,029
PCI Loans [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 3,461 8,903
PCI Loans [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 363 879
PCI Loans [Member] | Grade 3 Good [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 990  
PCI Loans [Member] | Grade 3 Good [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 990  
PCI Loans [Member] | Grade 3 Good [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Grade 4 Acceptable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 21,322 6,774
PCI Loans [Member] | Grade 4 Acceptable [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,445 1,567
PCI Loans [Member] | Grade 4 Acceptable [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
PCI Loans [Member] | Grade 5 Pass/Watch [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 28,046 8,755
PCI Loans [Member] | Grade 5 Pass/Watch [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1 2,818
PCI Loans [Member] | Grade 5 Pass/Watch [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 388
PCI Loans [Member] | Grade 6 Special Mention [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 9,089 50,435
PCI Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 510 2,748
PCI Loans [Member] | Grade 6 Special Mention [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 356 481
PCI Loans [Member] | Grade 7 Substandard [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 5,326 18,065
PCI Loans [Member] | Grade 7 Substandard [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 98 1,770
PCI Loans [Member] | Grade 7 Substandard [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 7 10
PCI Loans [Member] | Grade 8 Doubtful [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 417  
PCI Loans [Member] | Grade 8 Doubtful [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 417  
PCI Loans [Member] | Grade 8 Doubtful [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,201 14,754
PCI Loans [Member] | Real Estate [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 54,434 51,872
PCI Loans [Member] | Real Estate [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 5,731 7,621
PCI Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 24 2,423
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 18,466 2,642
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,387 142
PCI Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
PCI Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 26,615 3,892
PCI Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,430 1,657
PCI Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 11,010
PCI Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 7,051 33,487
PCI Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,172 2,709
PCI Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,177 1,321
PCI Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 2,302 11,851
PCI Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,742 3,113
PCI Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
PCI Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 2,107,612 1,724,455
Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 518,820 311,924
Originated and Purchased Performing Loans [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 13,148 30,742
Originated and Purchased Performing Loans [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 38,037 48,998
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 15,141 32,625
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 368 291
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 13,148 30,742
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 179 262
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 11,263 12,575
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 887 560
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 3
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 724,411 802,148
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 207,059 156,519
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 17,965 16,920
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,252,311 765,658
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 292,346 133,738
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 18,887 30,691
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 80,430 69,066
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 11,039 11,256
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 362 542
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 6,343 23,133
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,201 3,180
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Consumer [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 17,333 19,250
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 5,540 6,380
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 643 580
Originated and Purchased Performing Loans [Member] | Grade 8 Doubtful [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 380 0
Originated and Purchased Performing Loans [Member] | Grade 8 Doubtful [Member] | Commercial and Industrial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 380  
Originated and Purchased Performing Loans [Member] | Grade 8 Doubtful [Member] | Paycheck Protection Program [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Grade 8 Doubtful [Member] | Consumer [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 143,865 131,769
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 77,085 58,857
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 745,700 649,631
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 564,200 486,361
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 6,757 6,173
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 1 Prime [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 1 Prime [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 1 Prime [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 1 Prime [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 840 990
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 1 Prime [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 606 340
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 2 Desirable [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 369 412
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 2 Desirable [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 2 Desirable [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 2,190 2,382
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 2 Desirable [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 7,817 9,218
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 2 Desirable [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 14,410 28,973
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 8,904 14,610
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 235,649 307,067
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 239,060 276,992
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 3 Good [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,364 1,067
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 117,634 91,900
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 66,558 40,418
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 453,618 283,165
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 298,608 180,980
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 4,660 4,766
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 10,565 7,995
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 1,623 3,416
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 46,213 34,750
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 10,501 11,107
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 127  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 65 1,846
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 5,052 17,133
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 24 974
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 822 643
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 413
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 2,978 5,134
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 7,350 6,100
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Construction, commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Construction, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0  
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Mortgage, Commercial [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Mortgage, Residential [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans 0 0
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Grade 8 Doubtful [Member] | Mortgage, Farmland [Member]    
Financing Receivable, Credit Quality Indicator [Line Items]    
Gross loans $ 0 $ 0