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

Fair value, after effect of master netting arrangement, of financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative subject to master netting arrangement not elected or qualified to offset. Excludes derivative not subject to master netting arrangement or similar agreement.

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- Definition

Amount of obligation to return cash collateral under master netting arrangements offset against derivative assets.

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- Definition

Fair value of liability associated with financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset.

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- Definition

Nominal or face amount used to calculate payments on the derivative asset.

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Fair value, before effects of master netting arrangements, of a financial asset or other contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes assets elected not to be offset. Excludes assets not subject to a master netting arrangement.

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Fair value, before effects of master netting arrangements, of a financial liability or contract with one or more underlyings, notional amount or payment provision or both, and the contract can be net settled by means outside the contract or delivery of an asset. Includes liabilities elected not to be offset. Excludes liabilities not subject to a master netting arrangement.

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Fair value, after effect of master netting arrangement, of financial liability or contract with one or more underlyings, notional amount or payment provision or both, and contract can be net settled by means outside contract or delivery of asset. Includes derivative subject to master netting arrangement not elected or qualified to offset. Excludes derivative not subject to master netting arrangement or similar agreement.

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- Definition

Amount of right to receive cash collateral under master netting arrangements offset against derivative liabilities.

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Nominal or face amount used to calculate payments on the derivative liability.

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- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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No definition available.

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