LOANS AND ALLOWANCE FOR CREDIT LOSSES - Narrative (Details) $ in Millions	3 Months Ended	9 Months Ended
Sep. 30, 2024 USD ($)	Sep. 30, 2024 USD ($) quarter	Dec. 31, 2023 USD ($)
Financing Receivable, Allowance for Credit Loss [Line Items]
Valuation period \| quarter		7
Forecasting revision period		1 year
Commercial and industrial
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, nonaccrual, medallion loans, fair value	$ 0.3	$ 0.3	$ 0.4
Financing receivable, nonaccrual, medallion loans, contractual balance	6.6	$ 6.6	$ 8.8
Held For Sale \| Consumer other \| Consumer
Financing Receivable, Allowance for Credit Loss [Line Items]
Financing receivable, reclassification, held for sale	$ 44.6

Financing Receivable, Forecasting Revision Period

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Financing Receivable, Nonaccrual, Medallion Loans, Contractual Balance

+ References

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Financing Receivable, Nonaccrual, Medallion Loans, Fair Value

+ References

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+ References

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- Definition

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.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Name Regulation S-K (SK)
-Number 229
-Section 1405
-Paragraph c
-Publisher SEC

Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 13
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-13

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Amount of financing receivable reclassified to held-for-sale.

+ References

Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef
-Topic 310
-SubTopic 10
-Name Accounting Standards Codification
-Section 50
-Paragraph 11B
-Subparagraph (f)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147481962/310-10-50-11B

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
-Topic 326
-SubTopic 20
-Name Accounting Standards Codification
-Section 50
-Paragraph 11
-Subparagraph (i)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147479319/326-20-50-11

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