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LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Loan Aging Analysis by Portfolio Segment) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | $ 4,121,040 | $ 4,098,094
Loans 90 Days Past Due and Accruing | 0 | 0
Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,402,326 | 1,370,446
Loans 90 Days Past Due and Accruing | 0 | 0
Gross loans | 1,402,326 | 1,370,446
Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 300,626 | 301,860
Loans 90 Days Past Due and Accruing |  | 0
Gross loans | 300,626 | 301,860
Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 397,395 | 403,901
Loans 90 Days Past Due and Accruing | 0 | 0
Gross loans | 397,395 | 403,901
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,762,482 | 1,763,378
Loans 90 Days Past Due and Accruing | 0 | 0
Gross loans | 1,762,482 | 1,763,378
Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 240,674 | 240,341
Loans 90 Days Past Due and Accruing | 0 | 0
Gross loans | 240,674 | 240,341
Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 17,537 | 18,168
Loans 90 Days Past Due and Accruing | 0 | 0
Gross loans | 17,537 | 18,168
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 4,560 | 8,535
Total Past Due | Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 7 | 269
Total Past Due | Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 92 | 655
Total Past Due | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,169 | 3,507
Total Past Due | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,993 | 2,733
Total Past Due | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,242 | 1,273
Total Past Due | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 57 | 98
30-59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 2,018 | 3,775
30-59 Days Past Due | Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 0 | 44
30-59 Days Past Due | Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 92 | 655
30-59 Days Past Due | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 346 | 1,153
30-59 Days Past Due | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 834 | 1,317
30-59 Days Past Due | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 696 | 521
30-59 Days Past Due | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 50 | 85
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 778 | 2,021
60-89 Days Past Due | Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 0 | 41
60-89 Days Past Due | Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 0 | 0
60-89 Days Past Due | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 203 | 1,199
60-89 Days Past Due | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 192 | 322
60-89 Days Past Due | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 382 | 451
60-89 Days Past Due | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1 | 8
90 Days or Greater Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,764 | 2,739
90 Days or Greater Past Due | Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 7 | 184
90 Days or Greater Past Due | Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 0 | 0
90 Days or Greater Past Due | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 620 | 1,155
90 Days or Greater Past Due | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 967 | 1,094
90 Days or Greater Past Due | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 164 | 301
90 Days or Greater Past Due | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 6 | 5
Current |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 4,116,480 | 4,089,559
Current | Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,402,319 | 1,370,177
Current | Commercial real estate - owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 300,534 | 301,205
Current | Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 396,226 | 400,394
Current | Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 1,760,489 | 1,760,645
Current | Home equity |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 239,432 | 239,068
Current | Consumer |  |
Financing Receivable, Past Due [Line Items] |  |
Loans outstanding | 17,480 | 18,070
Commercial |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 6,841 | 42,164
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 39,972 | 54,911
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 52,815 | 56,550
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 53,786 | 25,302
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 23,904 | 26,575
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 60,393 | 36,897
Financing Receivable, Revolving | 124,587 | 122,194
Financing Receivable, Revolving, Converted to Term Loan | 35,097 | 39,308
Gross loans | 397,395 | 403,901
Commercial | Doubtful |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Gross loans | 0 | 0
Residential real estate |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 24,318 | 160,315
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 165,392 | 539,835
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 533,172 | 541,943
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 532,981 | 220,943
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 217,904 | 71,006
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 287,958 | 228,580
Financing Receivable, Revolving | 377 | 370
Financing Receivable, Revolving, Converted to Term Loan | 380 | 386
Gross loans | 1,762,482 | 1,763,378
Residential real estate | Doubtful |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Gross loans | 0 | 0
Commercial real estate - non-owner-occupied |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 25,479 | 111,756
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 118,361 | 365,227
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 373,465 | 296,152
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 298,334 | 149,344
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 147,138 | 116,924
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 439,549 | 331,043
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Gross loans | 1,402,326 | 1,370,446
Commercial real estate - non-owner-occupied | Doubtful |  |
Financing Receivable, Past Due [Line Items] |  |
Financing Receivable, Year One, Originated, Current Fiscal Year | 0 | 0
Financing Receivable, Year Two, Originated, Fiscal Year before Current Fiscal Year | 0 | 0
Financing Receivable, Year Three, Originated, Two Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Four, Originated, Three Years before Current Fiscal Year | 0 | 0
Financing Receivable, Year Five, Originated, Four Years before Current Fiscal Year | 0 | 0
Financing Receivable, Originated, More than Five Years before Current Fiscal Year | 0 | 0
Financing Receivable, Revolving | 0 | 0
Financing Receivable, Revolving, Converted to Term Loan | 0 | 0
Gross loans | $ 0 | $ 0

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