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Loans and ACL - Summary of Accounts Notes Loans and Financing Receivable (Detail) - USD ($) $ in Thousands | Sep. 30, 2023 | Dec. 31, 2022
--- | --- | ---
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | $ 2,445,885 | $ 2,412,699
Less: deferred loan fees, net of costs | 485 | (1,640)
Total | 2,446,370 | 2,411,059
Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 532,999 | 590,049
Paycheck Protection Program [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 6,414 | 11,967
Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 59,528 | 47,423
Grade 1 Prime [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 13,031
Grade 2 Desirable [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 10,887
Grade 3 Good [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 653,716
Grade 4 Acceptable [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,501,570
Grade 5 Pass/Watch [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 136,557
Grade 6 Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 10,059
Grade 7 Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 86,879
Real Estate [Member] | Construction, commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 162,860 | 183,301
Real Estate [Member] | Construction, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 76,896 | 76,599
Real Estate [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 879,655 | 864,989
Real Estate [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | 721,383 | 631,772
Real Estate [Member] | Mortgage, Farmland [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans | $ 6,150 | 6,599
PCI Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 58,748
PCI Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,481
PCI Loans [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 359
PCI Loans [Member] | Grade 4 Acceptable [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 25,607
PCI Loans [Member] | Grade 4 Acceptable [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,369
PCI Loans [Member] | Grade 5 Pass/Watch [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 28,397
PCI Loans [Member] | Grade 5 Pass/Watch [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 353
PCI Loans [Member] | Grade 6 Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,812
PCI Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 112
PCI Loans [Member] | Grade 7 Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 2,932
PCI Loans [Member] | Grade 7 Substandard [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 6
PCI Loans [Member] | Real Estate [Member] | Construction, commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 7
PCI Loans [Member] | Real Estate [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 51,223
PCI Loans [Member] | Real Estate [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 5,678
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Construction, commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 7
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 22,778
PCI Loans [Member] | Real Estate [Member] | Grade 4 Acceptable [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,453
PCI Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 26,059
PCI Loans [Member] | Real Estate [Member] | Grade 5 Pass/Watch [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,985
PCI Loans [Member] | Real Estate [Member] | Grade 6 Special Mention [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,700
PCI Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 686
PCI Loans [Member] | Real Estate [Member] | Grade 7 Substandard [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 2,240
Originated and Purchased Performing Loans [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 2,353,951
Originated and Purchased Performing Loans [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 588,568
Originated and Purchased Performing Loans [Member] | Paycheck Protection Program [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 11,967
Originated and Purchased Performing Loans [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 47,064
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 13,031
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 318
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Paycheck Protection Program [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 11,967
Originated and Purchased Performing Loans [Member] | Grade 1 Prime [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 197
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 10,887
Originated and Purchased Performing Loans [Member] | Grade 2 Desirable [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 885
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 653,716
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 192,393
Originated and Purchased Performing Loans [Member] | Grade 3 Good [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 21,330
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 1,475,963
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 291,204
Originated and Purchased Performing Loans [Member] | Grade 4 Acceptable [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 24,731
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 108,160
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 31,902
Originated and Purchased Performing Loans [Member] | Grade 5 Pass/Watch [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 256
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 8,247
Originated and Purchased Performing Loans [Member] | Grade 6 Special Mention [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 2,834
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 83,947
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Commercial and Industrial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 69,032
Originated and Purchased Performing Loans [Member] | Grade 7 Substandard [Member] | Consumer [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 550
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Construction, commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 183,294
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Construction, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 76,599
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Commercial [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 813,766
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Residential [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 626,094
Originated and Purchased Performing Loans [Member] | Real Estate [Member] | Mortgage, Farmland [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Gross loans |  | 6,599
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 |  | 549
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 |  | 361
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 |  | 2,330
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 |  | 7,311
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 |  | 14,223
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 |  | 3,110
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 |  | 187,648
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 |  | 233,697
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 |  | 1,315
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 |  | 156,027
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 |  | 72,327
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 |  | 561,554
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 |  | 365,511
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 |  | 4,609
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 |  | 8,504
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 |  | 1,162
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 |  | 54,352
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 |  | 11,858
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 |  | 126
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 |  | 3,365
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 |  | 2,048
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 |  | 814
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 |  | 5,834
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 |  | $ 7,717

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