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SECURITIES - Narrative (Details) - USD ($) $ in Millions	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Debt Securities, Available-for-sale [Line Items]
Residential Investment securities sold, carrying value	$ 11,600.0	$ 4,800.0	$ 21,000.0	$ 11,100.0
Commercial Mortgage-Backed Securities
Debt Securities, Available-for-sale [Line Items]
Impairment, available-for-sale debt security				$ 0.4

X

- Definition

Carrying value of mortgage backed securities sold during period.

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X

- Definition

Other-than-temporary Impairment Loss, Debt Securities, Available-for-Sale1

+ References

No definition available.

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X

- 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

No definition available.

+ Details

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- Details

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