REGULATORY CAPITAL REQUIREMENTS Regulatory Capital Requirements (Details Textual) (Details) - USD ($) $ in Millions	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022
Debt Instrument [Line Items]
Dividends received from subsidiaries	$ 228.9	$ 209.2
Junior Subordinated Debt [Member]
Debt Instrument [Line Items]
Debt Instrument, Face Amount	$ 61.0	$ 61.0

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

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+ Details