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SUMMARY OF SIGNIFICANT ACCOUNTING POLICIES - Narrative (Details) - USD ($) $ in Millions |  | 3 Months Ended
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Feb. 24, 2023 | Jun. 30, 2023 | Mar. 31, 2023
Accounting Policies [Abstract] |  |  |
Litigation settlement, expense |  |  | $ 1.0
Noninterest income | $ 17.8 |  |
Proceeds from plan of reorganization, recoupment of collateral |  | $ 5.0 |

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- Definition Amount of litigation expense, including but not limited to legal, forensic, accounting, and investigative fees. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Name Accounting Standards Codification -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03(6)) -SubTopic 10 -Topic 220 -Publisher FASB -URI https://asc.fasb.org/1943274/2147483621/220-10-S99-2 + Details
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