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Loans and Allowance for Credit Losses - Summary of Risk Category of Loans by Class of Loans (Details) - USD ($) $ in Thousands | 9 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 | Dec. 31, 2023
Financing Receivable, Credit Quality Indicator [Line Items] |  |
Loans receivable | $ 3,418,832 | $ 3,026,092
Total Community Bank Loans Portfolio Segment |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 144,110 | 367,855
2023, current period gross write-offs | 25 | 18
2023 | 409,108 | 455,021
2022, current period gross write-offs | 0 | 0
2022 | 416,830 | 309,306
2021, current period gross write-offs | 0 | 0
2021 | 294,265 | 192,002
2020, current period gross write-offs | 0 | 0
2020 | 172,729 | 179,206
2019, current period gross write-offs | 0 | 0
Prior | 372,376 | 261,254
Prior, current period gross write-offs | 390 | 46
Revolving Loans Amortized Cost Basis | 92,026 | 69,583
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 2,860 | 2,927
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 1,904,304 | 1,837,154
Total, current period gross write-offs | 415 | 64
Total Community Bank Loans Portfolio Segment | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 127,380 | 367,855
2023 | 409,108 | 450,666
2022 | 412,538 | 297,806
2021 | 288,429 | 188,443
2020 | 171,727 | 171,800
Prior | 368,758 | 259,115
Revolving Loans Amortized Cost Basis | 88,373 | 65,464
Revolving Loans Converted To Term | 2,860 | 2,757
Loans receivable | 1,869,173 | 1,803,906
Total Community Bank Loans Portfolio Segment | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 14,449 | 0
2023 | 0 | 4,355
2022 | 4,292 | 11,500
2021 | 5,836 | 2,635
2020 | 171 | 506
Prior | 3,618 | 2,139
Revolving Loans Amortized Cost Basis | 3,410 | 3,368
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 31,776 | 24,503
Total Community Bank Loans Portfolio Segment | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 2,281 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 924
2020 | 831 | 6,900
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 243 | 751
Revolving Loans Converted To Term | 0 | 170
Loans receivable | 3,355 | 8,745
Total Community Bank Loans Portfolio Segment | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Commercial and industrial loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 7,450 | 15,882
2023, current period gross write-offs | 0 | 0
2023 | 12,757 | 56,428
2022, current period gross write-offs | 0 | 0
2022 | 44,470 | 15,566
2021, current period gross write-offs | 0 | 0
2021 | 13,751 | 10,155
2020, current period gross write-offs | 0 | 0
2020 | 8,652 | 12,429
2019, current period gross write-offs | 0 | 0
Prior | 8,202 | 1,442
Prior, current period gross write-offs | 167 | 46
Revolving Loans Amortized Cost Basis | 55,707 | 36,580
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 1,172 | 1,020
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 152,161 | 149,502
Total, current period gross write-offs | 167 | 46
Commercial and industrial loans | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 7,450 | 15,882
2023 | 12,757 | 56,428
2022 | 44,470 | 15,566
2021 | 13,751 | 10,044
2020 | 8,652 | 12,429
Prior | 8,202 | 1,442
Revolving Loans Amortized Cost Basis | 52,199 | 33,412
Revolving Loans Converted To Term | 1,172 | 1,020
Loans receivable | 148,653 | 146,223
Commercial and industrial loans | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 111
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 3,310 | 3,168
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 3,310 | 3,279
Commercial and industrial loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 198 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 198 | 0
Commercial and industrial loans | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Real Estate Portfolio Segment | Construction, land and land development loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 23,117 | 75,129
2023, current period gross write-offs | 0 | 0
2023 | 89,408 | 49,275
2022, current period gross write-offs | 0 | 0
2022 | 34,624 | 24,400
2021, current period gross write-offs | 0 | 0
2021 | 12,039 | 5,184
2020, current period gross write-offs | 0 | 0
2020 | 761 | 914
2019, current period gross write-offs | 0 | 0
Prior | 2,198 | 1,598
Prior, current period gross write-offs | 0 | 0
Revolving Loans Amortized Cost Basis | 904 | 600
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 163,051 | 157,100
Total, current period gross write-offs | 0 | 0
Real Estate Portfolio Segment | Construction, land and land development loans | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 23,117 | 75,129
2023 | 89,408 | 49,275
2022 | 34,624 | 20,811
2021 | 11,612 | 2,859
2020 | 761 | 914
Prior | 2,198 | 1,598
Revolving Loans Amortized Cost Basis | 904 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 162,624 | 150,586
Real Estate Portfolio Segment | Construction, land and land development loans | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 3,589
2021 | 427 | 2,325
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 427 | 5,914
Real Estate Portfolio Segment | Construction, land and land development loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 600
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 600
Real Estate Portfolio Segment | Construction, land and land development loans | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Real Estate Portfolio Segment | Residential real estate loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 14,746 | 32,352
2023, current period gross write-offs | 0 | 0
2023 | 31,201 | 42,460
2022, current period gross write-offs | 0 | 0
2022 | 39,369 | 41,157
2021, current period gross write-offs | 0 | 0
2021 | 38,310 | 30,287
2020, current period gross write-offs | 0 | 0
2020 | 28,744 | 31,982
2019, current period gross write-offs | 0 | 0
Prior | 33,412 | 22,469
Prior, current period gross write-offs | 0 | 0
Revolving Loans Amortized Cost Basis | 26,669 | 24,496
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 16 | 188
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 212,467 | 225,391
Total, current period gross write-offs | 0 | 0
Real Estate Portfolio Segment | Residential real estate loans | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 12,465 | 32,352
2023 | 31,201 | 41,362
2022 | 38,282 | 39,137
2021 | 38,310 | 30,259
2020 | 28,733 | 31,982
Prior | 33,412 | 22,429
Revolving Loans Amortized Cost Basis | 26,524 | 24,396
Revolving Loans Converted To Term | 16 | 18
Loans receivable | 208,943 | 221,935
Real Estate Portfolio Segment | Residential real estate loans | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 1,098
2022 | 1,087 | 2,020
2021 | 0 | 28
2020 | 11 | 0
Prior | 0 | 40
Revolving Loans Amortized Cost Basis | 100 | 100
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 1,198 | 3,286
Real Estate Portfolio Segment | Residential real estate loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 2,281 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 45 | 0
Revolving Loans Converted To Term | 0 | 170
Loans receivable | 2,326 | 170
Real Estate Portfolio Segment | Residential real estate loans | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Real Estate Portfolio Segment | Commercial real estate loans |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 98,545 | 244,169
2023, current period gross write-offs | 0 | 0
2023 | 275,685 | 306,586
2022, current period gross write-offs | 0 | 0
2022 | 289,291 | 228,178
2021, current period gross write-offs | 0 | 0
2021 | 230,162 | 145,697
2020, current period gross write-offs | 0 | 0
2020 | 133,915 | 133,843
2019, current period gross write-offs | 0 | 0
Prior | 324,634 | 235,581
Prior, current period gross write-offs | 223 | 0
Revolving Loans Amortized Cost Basis | 8,548 | 7,760
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 1,672 | 1,719
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 1,362,452 | 1,303,533
Total, current period gross write-offs | 223 | 0
Real Estate Portfolio Segment | Commercial real estate loans | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 84,096 | 244,169
2023 | 275,685 | 303,329
2022 | 286,086 | 222,287
2021 | 224,753 | 144,602
2020 | 132,924 | 126,437
Prior | 321,016 | 233,482
Revolving Loans Amortized Cost Basis | 8,548 | 7,509
Revolving Loans Converted To Term | 1,672 | 1,719
Loans receivable | 1,334,780 | 1,283,534
Real Estate Portfolio Segment | Commercial real estate loans | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 14,449 | 0
2023 | 0 | 3,257
2022 | 3,205 | 5,891
2021 | 5,409 | 171
2020 | 160 | 506
Prior | 3,618 | 2,099
Revolving Loans Amortized Cost Basis | 0 | 100
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 26,841 | 12,024
Real Estate Portfolio Segment | Commercial real estate loans | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 924
2020 | 831 | 6,900
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 151
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 831 | 7,975
Real Estate Portfolio Segment | Commercial real estate loans | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Consumer and other loans: |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 252 | 323
2023, current period gross write-offs | 25 | 18
2023 | 57 | 272
2022, current period gross write-offs | 0 | 0
2022 | 9,076 | 5
2021, current period gross write-offs | 0 | 0
2021 | 3 | 679
2020, current period gross write-offs | 0 | 0
2020 | 657 | 38
2019, current period gross write-offs | 0 | 0
Prior | 3,930 | 164
Prior, current period gross write-offs | 0 | 0
Revolving Loans Amortized Cost Basis | 198 | 147
Revolving Loans Amortized Cost Basis, current period gross write-offs | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Revolving Loans Converted To Term, current period gross write-offs | 0 | 0
Loans receivable | 14,173 | 1,628
Total, current period gross write-offs | 25 | 18
Consumer and other loans: | Pass [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 252 | 323
2023 | 57 | 272
2022 | 9,076 | 5
2021 | 3 | 679
2020 | 657 | 38
Prior | 3,930 | 164
Revolving Loans Amortized Cost Basis | 198 | 147
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 14,173 | 1,628
Consumer and other loans: | Other Loan Especially Mentioned |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Consumer and other loans: | Substandard |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | 0 | 0
Consumer and other loans: | Doubtful [Member] |  |
Financing Receivable, Credit Quality Indicator [Line Items] |  |
2024 | 0 | 0
2023 | 0 | 0
2022 | 0 | 0
2021 | 0 | 0
2020 | 0 | 0
Prior | 0 | 0
Revolving Loans Amortized Cost Basis | 0 | 0
Revolving Loans Converted To Term | 0 | 0
Loans receivable | $ 0 | $ 0

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