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DERIVATIVES AND HEDGING ACTIVITIES - Fair Value of Derivatives (Details) - USD ($) $ in Thousands | Sep. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Notional amount | $ 504,346 | $ 1,335,485
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 16,994 | 7,925
Netting adjustments/cash collateral, Fair value derivative, Asset | (15,652) | 1,355
Carrying value on consolidated balance sheet, Fair value derivatives, Asset | 1,342 | 9,280
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (15,601) | (5,184)
Netting adjustments/cash collateral, Fair value derivative, Liability | 1,223 | 3,921
Carrying value on consolidated balance sheet, Fair value derivatives, Liability | (14,378) | (1,263)
Concentration of credit risk, master netting arrangements |  |
Derivative Liability [Abstract] |  |
Right to reclaim cash in excess of fair value of derivative liability | 14,400 | (5,300)
Forward sale commitments |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 193,699 | 793,208
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 2,756 | 723
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (1,434) | (640)
Interest rate lock commitments |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 29,679 | 115,025
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 48 | 2,487
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (408) | (3)
Interest rate swaps |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 238,468 | 287,352
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 13,759 | 4,381
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (13,759) | (4,541)
Futures |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 23,900 | 139,900
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 46 | 334
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | 0 | $ 0
Options |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 18,600 |
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 385 |
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | $ 0 |

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