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LOANS AND ALLOWANCE FOR CREDIT LOSSES - Receivables Past Due (Details) - USD ($) $ in Thousands | Dec. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | $ 6,518 | $ 8,529
Nonaccrual | 8,954 | 10,411
Loans Past Due 90 Days or More and Still Accruing | 23 | 10
Financing receivable | 2,071,419 | 1,972,664
Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 11,891 | 14,360
30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 5,047 | 9,562
60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,588 | 943
Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 5,256 | 3,855
Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,059,528 | 1,958,304
Commercial and industrial |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 76 | 76
Nonaccrual | 1,534 | 1,930
Loans Past Due 90 Days or More and Still Accruing | 23 | 10
Financing receivable | 299,521 | 264,396
Commercial and industrial | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,043 | 1,237
Commercial and industrial | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 140 | 1,196
Commercial and industrial | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 201 | 31
Commercial and industrial | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 702 | 10
Commercial and industrial | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 298,478 | 263,159
Commercial Mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,217,004 | 1,122,925
Commercial Mortgages | Construction |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 0 | 2,209
Nonaccrual | 0 | 2,209
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 94,943 | 138,887
Commercial Mortgages | Construction | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 4,371
Commercial Mortgages | Construction | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 2,164
Commercial Mortgages | Construction | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 0
Commercial Mortgages | Construction | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 2,207
Commercial Mortgages | Construction | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 94,943 | 134,516
Commercial Mortgages | Commercial mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 3,981 | 3,732
Nonaccrual | 4,959 | 3,760
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 1,122,061 | 984,038
Commercial Mortgages | Commercial mortgages | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 4,290 | 1,386
Commercial Mortgages | Commercial mortgages | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,032 | 1,022
Commercial Mortgages | Commercial mortgages | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 103
Commercial Mortgages | Commercial mortgages | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 3,258 | 261
Commercial Mortgages | Commercial mortgages | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,117,771 | 982,652
Residential Mortgages |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 1,372 | 1,315
Nonaccrual | 1,372 | 1,315
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 274,979 | 277,992
Residential Mortgages | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,887 | 3,030
Residential Mortgages | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1,529 | 2,244
Residential Mortgages | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 662 | 201
Residential Mortgages | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 696 | 585
Residential Mortgages | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 272,092 | 274,962
Consumer loans: |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 279,915 | 307,351
Consumer loans: | Home equity lines and loans |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 613 | 508
Nonaccrual | 613 | 508
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 93,220 | 87,056
Consumer loans: | Home equity lines and loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 595 | 914
Consumer loans: | Home equity lines and loans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 231 | 461
Consumer loans: | Home equity lines and loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 0 | 87
Consumer loans: | Home equity lines and loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 364 | 366
Consumer loans: | Home equity lines and loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 92,625 | 86,142
Consumer loans: | Indirect consumer loans |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 474 | 687
Nonaccrual | 474 | 687
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 178,118 | 210,423
Consumer loans: | Indirect consumer loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 3,055 | 3,400
Consumer loans: | Indirect consumer loans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 2,101 | 2,473
Consumer loans: | Indirect consumer loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 719 | 501
Consumer loans: | Indirect consumer loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 235 | 426
Consumer loans: | Indirect consumer loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 175,063 | 207,023
Consumer loans: | Direct consumer loans |  |
Financing Receivable, Past Due [Line Items] |  |
Nonaccrual with no allowance for credit losses | 2 | 2
Nonaccrual | 2 | 2
Loans Past Due 90 Days or More and Still Accruing | 0 | 0
Financing receivable | 8,577 | 9,872
Consumer loans: | Direct consumer loans | Total Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 21 | 22
Consumer loans: | Direct consumer loans | 30 - 59 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 14 | 2
Consumer loans: | Direct consumer loans | 60-89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 6 | 20
Consumer loans: | Direct consumer loans | Greater Than 89 Days Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | 1 | 0
Consumer loans: | Direct consumer loans | Loans Not Past Due |  |
Financing Receivable, Past Due [Line Items] |  |
Financing receivable | $ 8,556 | $ 9,850

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