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LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Narrative) (Details) - USD ($) $ in Thousands | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2025 | Mar. 31, 2024 | Dec. 31, 2024
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Proceeds from the sale of mortgage loans | $ 42,320 | $ 41,913 |
Gain on sale of mortgage loans | (497) | (470) |
Loans held for sale, at fair value (book value of $11,035 and $10,923, respectively) | $ 11,059 |  | $ 11,049
Other industry exposures | 0 |  |
Non-Accrual Loans | $ 7,251 |  | 4,829
Loans outstanding | 4,885,086 |  | 4,115,259
Loans and Leases Receivable, Excluded Accrued Interest from Amortized Cost | 15,800 |  | 12,700
FHLB advances, general debt obligations, pledged collateral | 1,900,000 |  | 1,900,000
Loans And Leases Receivable Impaired Interest Income Foregone | 73 | 43 |
Residential real estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Proceeds from the sale of mortgage loans | 42,300 | 41,400 |
Gain on sale of mortgage loans | (497) | (470) |
Loans held for sale, at fair value (book value of $11,035 and $10,923, respectively) | 11,000 |  | 10,900
Unrealized gain (loss) on loans held for sale | 24 |  | 126
Non-Accrual Loans | 4,322 |  | 1,891
Loans outstanding | 2,028,062 |  | 1,752,249
Mortgage Loans in Process of Foreclosure, Amount | 439 |  | 1,000
Financing Receivable, Excluding Accrued Interest, Allowance for Credit Loss, Period Increase (Decrease) | 102 | $ 85 |
Commercial real estate - non-owner-occupied |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Non-Accrual Loans | 128 |  | 129
Loans outstanding | 1,685,852 |  | 1,387,252
Commercial |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Non-Accrual Loans | 1,803 |  | 1,927
Loans outstanding | 487,409 |  | 382,785
Home equity |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Non-Accrual Loans | 848 |  | 434
Loans outstanding | 283,491 |  | 253,251
Consumer |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Non-Accrual Loans | 7 |  | 18
Loans outstanding | $ 19,026 |  | $ 15,010
Non-Residential Building Operators Industry Sector | Loan Concentration Risk | Total Loan Portfolio |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk (percentage) | 13.00% |  |
Non-Residential Building Operators Industry Sector | Loan Concentration Risk | Commercial Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk (percentage) | 32.00% |  |
Residential Building Operators Industry Sector | Loan Concentration Risk | Commercial Real Estate |  |  |
Accounts, Notes, Loans and Financing Receivable [Line Items] |  |  |
Concentration risk (percentage) | 31.00% |  |

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