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DERIVATIVES AND HEDGING (Derivatives Designated as Hedging, by Balance Sheet Location) (Details) - USD ($) $ in Thousands | Mar. 31, 2024 | Dec. 31, 2023
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | $ 33,896 | $ 29,058
Liability Derivatives, Fair Value | 46,193 | 44,267
Derivative Assets, Amounts offsett in the Statement of Financial Condition | (11,048) | (13,929)
Derivative Asset, Subject to Master Netting Arrangement, Collateral, Obligation to Return Cash, Offset Against Derivative Asset | 0 | 0
Derivative Liability, Subject to Master Netting Arrangement, Collateral, Right to Reclaim Cash Offset | 4,954 | 529
Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 436,823 | 442,739
Liability Derivatives, Notional/Contract Amount | 475,019 | 479,975
Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 23,133 | 15,404
Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 40,227 | 30,036
Interest rate swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 33,896 | 29,058
Liability Derivatives, Fair Value | 46,193 | 44,267
Derivative Assets, Amounts offsett in the Statement of Financial Condition | (11,048) | (13,929)
Derivative Asset, Subject to Master Netting Arrangement, after Offset | (22,848) | (15,129)
Derivative Liability, Subject to Master Netting Arrangement, after Offset | 40,099 | 29,809
Interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Cash Flow Hedging |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 0 | 0
Liability Derivatives, Notional/Contract Amount | 400,000 | 400,000
Interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Other assets [Member] | Cash Flow Hedging |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 0 | 0
Interest rate swaps [Member] | Designated as Hedging Instrument [Member] | Other liabilities [Member] | Cash Flow Hedging |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 12,255 | 15,141
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 410,058 | 416,711
Liability Derivatives, Notional/Contract Amount | 410,058 | 416,711
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 33,896 | 29,058
Interest rate swaps [Member] | Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 33,938 | 29,126
Loan Participations and Assignments | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 992 | 1,050
Liability Derivatives, Notional/Contract Amount | 44,944 | 45,298
Loan Participations and Assignments | Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 0 | 0
Loan Participations and Assignments | Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 18 | 42
Mortgage loan commitments [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 22,625 | 19,572
Liability Derivatives, Notional/Contract Amount | 0 | 0
Mortgage loan commitments [Member] | Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 285 | 275
Mortgage loan commitments [Member] | Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 0 | 0
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 3,148 | 5,406
Liability Derivatives, Notional/Contract Amount | 20,017 | 17,966
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 0 | 0
Forward Contracts [Member] | Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | $ 110 | $ 185

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