BORROWINGS - Subordinated Notes (Details) - 5.000% Notes Maturing June 15, 2032 - Subordinated Debt $ in Millions	Jun. 02, 2022 USD ($)
Debt Instrument [Line Items]
Principal balance	$ 100.0
Interest rate	5.00%
Percentage of principal amount of notes	100.00%
Debt Instrument, Variable Interest Rate, Type [Extensible Enumeration]	Secured Overnight Financing Rate (SOFR) [Member]
Floating interest rate margin (as a percent)	2.52%