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DERIVATIVES AND HEDGING (Derivatives Not Designated as Hedging, by Balance Sheet Location) (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | $ 38,747 | $ 20,826
Liability Derivatives, Fair Value | 58,348 | 11,615
Interest rate swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 38,747 | 20,826
Liability Derivatives, Fair Value | 58,348 | 11,615
Not Designated as Hedging Instrument [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 489,309 | 695,678
Liability Derivatives, Notional/Contract Amount | 528,977 | 676,435
Not Designated as Hedging Instrument [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 39,770 | 22,381
Not Designated as Hedging Instrument [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 39,116 | 11,476
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 448,912 | 551,606
Liability Derivatives, Notional/Contract Amount | 448,912 | 551,606
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 38,747 | 20,826
Not Designated as Hedging Instrument [Member] | Interest rate swaps [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 38,801 | 11,336
Not Designated as Hedging Instrument [Member] | Loan Participations and Assignments |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 1,342 | 0
Liability Derivatives, Notional/Contract Amount | 51,419 | 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 | 68 | 0
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 13,805 | 87,986
Liability Derivatives, Notional/Contract Amount | 13,393 | 26,329
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 83 | 1,467
Not Designated as Hedging Instrument [Member] | Mortgage loan commitments [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | 115 | 66
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Notional/Contract Amount | 25,250 | 56,086
Liability Derivatives, Notional/Contract Amount | 15,253 | 98,500
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] | Other assets [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Asset Derivatives, Fair Value | 940 | 88
Not Designated as Hedging Instrument [Member] | Forward Contracts [Member] | Other liabilities [Member] |  |
Derivatives, Fair Value [Line Items] |  |
Liability Derivatives, Fair Value | $ 132 | $ 74

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