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Loans and Allowance for Credit Losses (Allowance for Credit Losses on Financing Receivables) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended | 12 Months Ended
--- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | $ 58,478 | $ 29,014 | $ 57,351 | $ 16,643 | $ 16,643
Merger Adjustments (2) |  |  | 1,513 | 1,513 |
Charge-offs | (1,379) | (1,502) | (2,996) | (1,786) |
Recoveries | 91 | 53 | 257 | 267 |
Net (charge-offs) recoveries | (1,288) | (1,449) | (2,739) | (1,519) |
Provisions | 1,479 | 27,973 | 4,057 | 29,623 |
Ending Balance | 58,669 | 57,051 | 58,669 | 57,051 | 57,351
Prior | 1,226,329 |  | 1,226,329 |  | 1,059,173
2020 & 2019 | 418,520 |  | 418,520 |  | 277,491
2021 & 2020 | 792,573 |  | 792,573 |  | 461,213
2022 & 2021 | 1,070,281 |  | 1,070,281 |  | 837,657
2023 & 2022 | 659,094 |  | 659,094 |  | 1,107,579
2024 & 2023 | 317,035 |  | 317,035 |  | 670,765
Revolving Loans | 232,924 |  | 232,924 |  | 201,381
Revolving Converted to Term Loans | 17,153 |  | 17,153 |  | 25,751
Total | 4,733,909 |  | 4,733,909 |  | 4,641,010
Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 10,791 | 10,791
Construction |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 3,471 | 2,386 | 3,935 | 2,973 | 2,973
Merger Adjustments (2) |  |  | 3 | 3 |
Charge-offs | 0 | 0 | (12) | 0 | 0
Recoveries | 1 | 3 | 7 | 10 |
Net (charge-offs) recoveries | 1 | 3 | (5) | 10 |
Provisions | (578) | 1,439 | (1,036) | (377) |
Ending Balance | 2,894 | 3,831 | 2,894 | 3,831 | 3,935
Prior | 33,531 |  | 33,531 |  | 23,649
2020 & 2019 | 10,572 |  | 10,572 |  | 15,721
2021 & 2020 | 24,666 |  | 24,666 |  | 14,773
2022 & 2021 | 79,575 |  | 79,575 |  | 34,337
2023 & 2022 | 90,132 |  | 90,132 |  | 101,844
2024 & 2023 | 76,594 |  | 76,594 |  | 100,620
Revolving Loans | 20,283 |  | 20,283 |  | 8,056
Revolving Converted to Term Loans | 1,760 |  | 1,760 |  | 0
Total | 337,113 |  | 337,113 |  | 299,000
Construction | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 1,222 | 1,222
Residential real estate |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 22,060 | 9,151 | 21,949 | 2,622 | 2,622
Merger Adjustments (2) |  |  | 215 | 215 |
Charge-offs | 0 | 0 | (1) | 0 | (119)
Recoveries | 1 | 3 | 5 | 37 |
Net (charge-offs) recoveries | 1 | 3 | 4 | 37 |
Provisions | 1,468 | 9,806 | 1,576 | 11,327 |
Ending Balance | 23,529 | 19,175 | 23,529 | 19,175 | 21,949
Prior | 348,919 |  | 348,919 |  | 323,682
2020 & 2019 | 101,608 |  | 101,608 |  | 54,643
2021 & 2020 | 244,042 |  | 244,042 |  | 105,833
2022 & 2021 | 402,357 |  | 402,357 |  | 251,772
2023 & 2022 | 255,629 |  | 255,629 |  | 392,378
2024 & 2023 | 82,959 |  | 82,959 |  | 239,914
Revolving Loans | 121,360 |  | 121,360 |  | 121,342
Revolving Converted to Term Loans | 14,124 |  | 14,124 |  | 874
Total | 1,570,998 |  | 1,570,998 |  | 1,490,438
Residential real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 4,974 | 4,974
Commercial real estate |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 21,424 | 10,267 | 20,975 | 4,899 | 4,899
Merger Adjustments (2) |  |  | 985 | 985 |
Charge-offs | 0 | (1,327) | 0 | (1,327) | (1,326)
Recoveries | 0 | 0 | 0 | 0 |
Net (charge-offs) recoveries | 0 | (1,327) | 0 | (1,327) |
Provisions | (147) | 12,875 | 302 | 14,501 |
Ending Balance | 21,277 | 22,800 | 21,277 | 22,800 | 20,975
Prior | 814,945 |  | 814,945 |  | 687,147
2020 & 2019 | 282,792 |  | 282,792 |  | 193,113
2021 & 2020 | 415,539 |  | 415,539 |  | 311,980
2022 & 2021 | 432,621 |  | 432,621 |  | 432,793
2023 & 2022 | 213,652 |  | 213,652 |  | 432,686
2024 & 2023 | 82,252 |  | 82,252 |  | 210,915
Revolving Loans | 34,580 |  | 34,580 |  | 14,973
Revolving Converted to Term Loans | 0 |  | 0 |  | 2,547
Total | 2,276,381 |  | 2,276,381 |  | 2,286,154
Commercial real estate | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 3,742 | 3,742
Commercial |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 2,866 | 1,956 | 2,671 | 1,652 | 1,652
Merger Adjustments (2) |  |  | 278 | 278 |
Charge-offs | (154) | 0 | (177) | 0 | (243)
Recoveries | 1 | 2 | 4 | 10 |
Net (charge-offs) recoveries | (153) | 2 | (173) | 10 |
Provisions | 512 | 2,101 | 727 | 1,996 |
Ending Balance | 3,225 | 4,337 | 3,225 | 4,337 | 2,671
Prior | 28,043 |  | 28,043 |  | 24,074
2020 & 2019 | 11,866 |  | 11,866 |  | 13,015
2021 & 2020 | 43,595 |  | 43,595 |  | 14,464
2022 & 2021 | 32,505 |  | 32,505 |  | 42,046
2023 & 2022 | 30,802 |  | 30,802 |  | 36,384
2024 & 2023 | 28,198 |  | 28,198 |  | 27,901
Revolving Loans | 48,805 |  | 48,805 |  | 49,725
Revolving Converted to Term Loans | 1,269 |  | 1,269 |  | 22,330
Total | 225,083 |  | 225,083 |  | 229,939
Commercial | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 401 | 401
Consumer |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 8,145 | 5,254 | 7,601 | 4,497 | 4,497
Merger Adjustments (2) |  |  | 14 | 14 |
Charge-offs | (1,015) | (115) | (2,401) | (399) | (574)
Recoveries | 88 | 45 | 232 | 210 |
Net (charge-offs) recoveries | (927) | (70) | (2,169) | (189) |
Provisions | 36 | 1,658 | 1,822 | 2,082 |
Ending Balance | 7,254 | 6,856 | 7,254 | 6,856 | 7,601
Prior | 891 |  | 891 |  | 621
2020 & 2019 | 11,682 |  | 11,682 |  | 999
2021 & 2020 | 64,731 |  | 64,731 |  | 14,163
2022 & 2021 | 123,223 |  | 123,223 |  | 76,709
2023 & 2022 | 68,879 |  | 68,879 |  | 144,287
2024 & 2023 | 47,032 |  | 47,032 |  | 91,415
Revolving Loans | 711 |  | 711 |  | 702
Revolving Converted to Term Loans | 0 |  | 0 |  | 0
Total | 317,149 |  | 317,149 |  | 328,896
Consumer | Consumer Loans, Demand Deposit Overdrafts |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Charge-offs | (156) | (1,500) | (512) | (1,800) |
Consumer | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | 452 | 452
Credit cards |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance | 512 |  | 220 | 0 | 0
Merger Adjustments (2) |  |  | 18 | 18 |
Charge-offs | (210) |  | (405) | (60) | (111)
Recoveries | 0 |  | 9 | 0 |
Net (charge-offs) recoveries | (210) |  | (396) | (60) |
Provisions | 188 |  | 666 | 94 |
Ending Balance | 490 | $ 52 | 490 | 52 | 220
Prior | 0 |  | 0 |  | 0
2020 & 2019 | 0 |  | 0 |  | 0
2021 & 2020 | 0 |  | 0 |  | 0
2022 & 2021 | 0 |  | 0 |  | 0
2023 & 2022 | 0 |  | 0 |  | 0
2024 & 2023 | 0 |  | 0 |  | 0
Revolving Loans | 7,185 |  | 7,185 |  | 6,583
Revolving Converted to Term Loans | 0 |  | 0 |  | 0
Total | $ 7,185 |  | $ 7,185 |  | 6,583
Credit cards | Cumulative Effect, Period of Adoption, Adjustment |  |  |  |  |
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss [Roll Forward] |  |  |  |  |
Beginning Balance |  |  |  | $ 0 | $ 0

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