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DERIVATIVES AND HEDGING (Derivatives Not Designated as Hedging, by Balance Sheet Location) (Details) - USD ($) $ in Thousands | Mar. 31, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | $ 14,685 | $ 20,826
Liability Derivatives, Fair Value | 19,076 | 11,615
Interest rate swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 14,685 | 20,826
Liability Derivatives, Fair Value | 19,076 | 11,615
Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 611,476 | 695,678
Liability Derivatives, Notional/Contract Amount | 596,602 | 676,435
Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 17,747 | 22,381
Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 18,934 | 11,476
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 472,640 | 551,606
Liability Derivatives, Notional/Contract Amount | 472,640 | 551,606
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 14,685 | 20,826
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 18,574 | 11,336
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Loans Receivable [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 3 | 20
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 0 | 87,986
Liability Derivatives, Notional/Contract Amount | 71,233 | 26,329
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 0 | 1,467
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 142 | 66
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 137,378 | 56,086
Liability Derivatives, Notional/Contract Amount | 0 | 98,500
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 3,062 | 88
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 0 | 74
Not Designated as Hedging Instrument [Member] | Loan Participations and Assignments |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 1,458 | 0
Liability Derivatives, Notional/Contract Amount | 52,729 | 0
Not Designated as Hedging Instrument [Member] | Loan Participations and Assignments | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 0 | 0
Not Designated as Hedging Instrument [Member] | Loan Participations and Assignments | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | $ 218 | $ 0

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- Definition 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. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 50 -Paragraph 3 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=51824906&loc=SL20225862-175312 Reference 2: http://www.xbrl.org/2003/role/exampleRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 22 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226052-175313 Reference 3: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 20 -Section 55 -Paragraph 7 -URI http://asc.fasb.org/extlink&oid=99393222&loc=SL20226000-175313 Reference 4: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 860 -SubTopic 20 -Section 50 -Paragraph 4D -Subparagraph (c)(2) -URI http://asc.fasb.org/extlink&oid=121570589&loc=SL51823488-111719 Reference 5: http://fasb.org/us-gaap/role/ref/legacyRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 10 -Section 50 -Paragraph 4B -Subparagraph (a),(c) -URI http://asc.fasb.org/extlink&oid=125515794&loc=SL5624163-113959 + Details
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