COMMITMENTS AND CONTINGENCIES (Details) $ in Millions	Mar. 31, 2023 USD ($)
Loss Contingencies [Line Items]
Estimated liability, representation and warranties	$ 53.9
Residential mortgage loan repurchase liability	1,200.0
Genesis Acquisition
Loss Contingencies [Line Items]
Committed to fund	682.4
Unfunded Loan Commitment \| Consumer Portfolio Segment \| Consumer Loan SPVs
Loss Contingencies [Line Items]
Financing receivable	$ 204.9

Amortized cost, after allowance for credit loss, of financing receivable. Excludes financing receivable covered under loss sharing agreement and net investment in lease.

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 326
-SubTopic 20
-Section 50
-Paragraph 5
-Subparagraph (b)
-URI https://asc.fasb.org/extlink&oid=124255953&loc=SL82919230-210447

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 310
-SubTopic 10
-Section 45
-Paragraph 2
-URI https://asc.fasb.org/extlink&oid=124259787&loc=d3e4428-111522

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