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REGULATORY CAPITAL - Narrative (Details) - USD ($) $ in Millions | Jun. 30, 2024 | Dec. 31, 2021
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Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Capital conservation buffer to risk weighted assets | 2.50% |
Cumulative Effect, Period of Adoption, Adjustment |  |
Compliance with Regulatory Capital Requirements under Banking Regulations [Line Items] |  |
Cumulative capital transition impact |  | $ 61.6
Capital transition provisions, benefit recognized, excluding amount previously phased in | $ 15.4 |

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