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LOANS AND CREDIT QUALITY (Class and Credit Indicator) (Details) - USD ($) $ in Thousands | 3 Months Ended |
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | $ 104,591 |  | $ 544,616
Fiscal year before current fiscal year | 551,090 |  | 350,371
Two years before current fiscal year | 352,420 |  | 804,301
Three years before current fiscal year | 779,339 |  | 1,006,482
Four years before current fiscal year | 981,931 |  | 569,739
Five years before current fiscal year | 1,861,046 |  | 1,335,637
Amortized Cost of Revolving Loans | 704,130 |  | 721,706
Loans | 5,334,547 |  | 5,332,852
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Year-to-date gross charge-offs, Current fiscal year | 0 | $ 0 |
Year-to-date gross charge-offs, fiscal year before current fiscal year | 246 | 191 |
Year-to-date gross charge-offs, two years before current fiscal year | 285 | 2,914 |
Year-to-date gross charge-offs, three years before current fiscal year | 1,752 | 1,294 |
Year-to-date gross charge-offs, four years before current fiscal year | 715 | 178 |
Year-to-date gross charge-offs, five years before current fiscal year | 559 | 943 |
Total | 3,557 | 5,520 |
Commercial and industrial |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 16,247 |  | 171,188
Fiscal year before current fiscal year | 195,340 |  | 59,015
Two years before current fiscal year | 47,777 |  | 70,498
Three years before current fiscal year | 66,410 |  | 59,904
Four years before current fiscal year | 56,227 |  | 21,827
Five years before current fiscal year | 152,297 |  | 142,628
Amortized Cost of Revolving Loans | 100,322 |  | 81,876
Loans | 634,620 |  | 606,936
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Year-to-date gross charge-offs, Current fiscal year | 0 | 0 |
Year-to-date gross charge-offs, fiscal year before current fiscal year | 34 | 9 |
Year-to-date gross charge-offs, two years before current fiscal year | 93 | 171 |
Year-to-date gross charge-offs, three years before current fiscal year | 147 | 78 |
Year-to-date gross charge-offs, four years before current fiscal year | 82 | 13 |
Year-to-date gross charge-offs, five years before current fiscal year | 224 | 411 |
Total | 580 | 682 |
Commercial and industrial | Special Mention |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 0
Fiscal year before current fiscal year | 0 |  | 0
Two years before current fiscal year | 561 |  | 0
Three years before current fiscal year | 0 |  | 2,539
Four years before current fiscal year | 1,449 |  | 0
Five years before current fiscal year | 100 |  | 0
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 2,110 |  | 2,539
Commercial and industrial | Substandard |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 3,372
Fiscal year before current fiscal year | 3,428 |  | 110
Two years before current fiscal year | 50 |  | 922
Three years before current fiscal year | 720 |  | 11
Four years before current fiscal year | 41 |  | 0
Five years before current fiscal year | 258 |  | 82
Amortized Cost of Revolving Loans | 100 |  | 0
Loans | 4,597 |  | 4,497
Commercial and industrial | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 16,247 |  | 167,816
Fiscal year before current fiscal year | 191,912 |  | 58,905
Two years before current fiscal year | 47,166 |  | 69,576
Three years before current fiscal year | 65,690 |  | 57,354
Four years before current fiscal year | 54,737 |  | 21,827
Five years before current fiscal year | 151,939 |  | 142,546
Amortized Cost of Revolving Loans | 100,222 |  | 81,876
Loans | 627,913 |  | 599,900
Real Estate | Construction |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 10,141
Fiscal year before current fiscal year | 12,926 |  | 33,646
Two years before current fiscal year | 43,513 |  | 35,398
Three years before current fiscal year | 38,253 |  | 19,217
Four years before current fiscal year | 19,147 |  | 11,754
Five years before current fiscal year | 46,253 |  | 34,937
Amortized Cost of Revolving Loans | 0 |  | 118
Loans | 160,092 |  | 145,211
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Total | 0 | 0 |
Real Estate | Construction | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 10,141
Fiscal year before current fiscal year | 12,926 |  | 33,646
Two years before current fiscal year | 43,513 |  | 35,398
Three years before current fiscal year | 38,253 |  | 19,217
Four years before current fiscal year | 19,147 |  | 11,754
Five years before current fiscal year | 46,253 |  | 34,937
Amortized Cost of Revolving Loans | 0 |  | 118
Loans | 160,092 |  | 145,211
Real Estate | Residential Mortgage |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 7,667 |  | 85,844
Fiscal year before current fiscal year | 83,254 |  | 89,118
Two years before current fiscal year | 88,262 |  | 261,115
Three years before current fiscal year | 259,329 |  | 589,734
Four years before current fiscal year | 583,503 |  | 395,488
Five years before current fiscal year | 848,224 |  | 471,221
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 1,870,239 |  | 1,892,520
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Total | 0 | 0 |
Real Estate | Residential Mortgage | Substandard |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 0
Fiscal year before current fiscal year | 0 |  | 0
Two years before current fiscal year | 259 |  | 1,599
Three years before current fiscal year | 1,599 |  | 616
Four years before current fiscal year | 281 |  | 1,855
Five years before current fiscal year | 7,948 |  | 6,189
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 10,087 |  | 10,259
Real Estate | Residential Mortgage | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 7,667 |  | 85,844
Fiscal year before current fiscal year | 83,254 |  | 89,118
Two years before current fiscal year | 88,003 |  | 259,516
Three years before current fiscal year | 257,730 |  | 589,118
Four years before current fiscal year | 583,222 |  | 393,633
Five years before current fiscal year | 840,276 |  | 465,032
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 1,860,152 |  | 1,882,261
Real Estate | Home Equity |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 61 |  | 1,060
Fiscal year before current fiscal year | 1,044 |  | 11,787
Two years before current fiscal year | 11,689 |  | 28,687
Three years before current fiscal year | 29,036 |  | 18,277
Four years before current fiscal year | 17,332 |  | 8,406
Five years before current fiscal year | 33,410 |  | 26,266
Amortized Cost of Revolving Loans | 562,665 |  | 582,499
Loans | 655,237 |  | 676,982
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Total | 0 | 0 |
Real Estate | Home Equity | Substandard |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 0
Fiscal year before current fiscal year | 0 |  | 0
Two years before current fiscal year | 0 |  | 0
Three years before current fiscal year | 0 |  | 0
Four years before current fiscal year | 0 |  | 0
Five years before current fiscal year | 583 |  | 1,031
Amortized Cost of Revolving Loans | 250 |  | 0
Loans | 833 |  | 1,031
Real Estate | Home Equity | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 61 |  | 1,060
Fiscal year before current fiscal year | 1,044 |  | 11,787
Two years before current fiscal year | 11,689 |  | 28,687
Three years before current fiscal year | 29,036 |  | 18,277
Four years before current fiscal year | 17,332 |  | 8,406
Five years before current fiscal year | 32,827 |  | 25,235
Amortized Cost of Revolving Loans | 562,415 |  | 582,499
Loans | 654,404 |  | 675,951
Real Estate | Commercial Mortgage |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 58,254 |  | 180,391
Fiscal year before current fiscal year | 190,823 |  | 95,944
Two years before current fiscal year | 95,713 |  | 235,344
Three years before current fiscal year | 229,465 |  | 226,230
Four years before current fiscal year | 221,975 |  | 111,399
Five years before current fiscal year | 749,738 |  | 645,641
Amortized Cost of Revolving Loans | 6,471 |  | 5,731
Loans | 1,552,439 |  | 1,500,680
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Total | 0 | 0 |
Real Estate | Commercial Mortgage | Special Mention |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 0
Fiscal year before current fiscal year | 0 |  | 621
Two years before current fiscal year | 620 |  | 0
Three years before current fiscal year | 0 |  | 2,506
Four years before current fiscal year | 2,483 |  | 0
Five years before current fiscal year | 1,764 |  | 2,930
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 4,867 |  | 6,057
Real Estate | Commercial Mortgage | Substandard |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 0
Fiscal year before current fiscal year | 0 |  | 0
Two years before current fiscal year | 0 |  | 0
Three years before current fiscal year | 12,671 |  | 0
Four years before current fiscal year | 0 |  | 0
Five years before current fiscal year | 7,386 |  | 7,456
Amortized Cost of Revolving Loans | 0 |  | 0
Loans | 20,057 |  | 7,456
Real Estate | Commercial Mortgage | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 58,254 |  | 180,391
Fiscal year before current fiscal year | 190,823 |  | 95,323
Two years before current fiscal year | 95,093 |  | 235,344
Three years before current fiscal year | 216,794 |  | 223,724
Four years before current fiscal year | 219,492 |  | 111,399
Five years before current fiscal year | 740,588 |  | 635,255
Amortized Cost of Revolving Loans | 6,471 |  | 5,731
Loans | 1,527,515 |  | 1,487,167
Consumer |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 22,362 |  | 95,992
Fiscal year before current fiscal year | 67,703 |  | 60,861
Two years before current fiscal year | 65,466 |  | 173,259
Three years before current fiscal year | 156,846 |  | 93,120
Four years before current fiscal year | 83,747 |  | 20,865
Five years before current fiscal year | 31,124 |  | 14,944
Amortized Cost of Revolving Loans | 34,672 |  | 51,482
Loans | 461,920 |  | 510,523
Financing Receivable, Allowance For Credit Loss, Write Off, By Origination Year [Abstract] |  |  |
Year-to-date gross charge-offs, Current fiscal year | 0 | 0 |
Year-to-date gross charge-offs, fiscal year before current fiscal year | 212 | 182 |
Year-to-date gross charge-offs, two years before current fiscal year | 192 | 2,743 |
Year-to-date gross charge-offs, three years before current fiscal year | 1,605 | 1,216 |
Year-to-date gross charge-offs, four years before current fiscal year | 633 | 165 |
Year-to-date gross charge-offs, five years before current fiscal year | 335 | 532 |
Total | 2,977 | $ 4,838 |
Consumer | Substandard |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  | 21
Fiscal year before current fiscal year | 100 |  | 90
Two years before current fiscal year | 66 |  | 162
Three years before current fiscal year | 216 |  | 144
Four years before current fiscal year | 85 |  | 27
Five years before current fiscal year | 798 |  | 478
Amortized Cost of Revolving Loans | 0 |  | 60
Loans | 1,265 |  | 982
Consumer | Loss |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 0 |  |
Fiscal year before current fiscal year | 0 |  |
Two years before current fiscal year | 0 |  |
Three years before current fiscal year | 0 |  |
Four years before current fiscal year | 0 |  |
Five years before current fiscal year | 14 |  |
Amortized Cost of Revolving Loans | 0 |  |
Loans | 14 |  |
Consumer | Pass |  |  |
Financing Receivable, before Allowance for Credit Loss, by Origination Year [Abstract] |  |  |
Current fiscal year | 22,362 |  | 95,971
Fiscal year before current fiscal year | 67,603 |  | 60,771
Two years before current fiscal year | 65,400 |  | 173,097
Three years before current fiscal year | 156,630 |  | 92,976
Four years before current fiscal year | 83,662 |  | 20,838
Five years before current fiscal year | 30,312 |  | 14,466
Amortized Cost of Revolving Loans | 34,672 |  | 51,422
Loans | $ 460,641 |  | $ 509,541

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