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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

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- Definition Other-than-temporary Impairment Loss, Debt Securities, Available-for-Sale1 + References No definition available. + Details
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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 No definition available. + Details
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- Details
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