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DERIVATIVES AND HEDGING ACTIVITIES - Fair Value of Derivatives (Details) - USD ($) $ in Thousands | Jun. 30, 2022 | Dec. 31, 2021
--- | --- | ---
Derivatives, Fair Value [Line Items] |  |
Notional amount | $ 604,849 | $ 1,335,485
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 11,205 | 7,925
Netting adjustments/cash collateral, Fair value derivative, Asset | (10,035) | 1,355
Carrying value on consolidated balance sheet, Fair value derivatives, Asset | 1,170 | 9,280
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (10,671) | (5,184)
Netting adjustments/cash collateral, Fair value derivative, Liability | (93) | 3,921
Carrying value on consolidated balance sheet, Fair value derivatives, Liability | (10,764) | (1,263)
Concentration of credit risk, master netting arrangements |  |
Derivative Liability [Abstract] |  |
Right to reclaim cash in excess of fair value of derivative liability | 10,100 | (5,300)
Forward sale commitments |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 224,930 | 793,208
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 1,058 | 723
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (902) | (640)
Interest rate lock commitments |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 56,757 | 115,025
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 737 | 2,487
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (415) | (3)
Interest rate swaps |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 260,362 | 287,352
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 9,211 | 4,381
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (9,211) | (4,541)
Futures |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 36,800 | 139,900
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 0 | 334
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | (143) | $ 0
Options |  |
Derivatives, Fair Value [Line Items] |  |
Notional amount | 26,000 |
Derivative Asset [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Asset | 199 |
Derivative Liability [Abstract] |  |
Total derivatives before netting, Fair value derivatives, Liability | $ 0 |

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