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SECURITIES - Narrative (Details) - USD ($) $ in Millions | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2022 | Jun. 30, 2021 | Mar. 31, 2021 | Jun. 30, 2022 | Jun. 30, 2021
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Residential Investment securities sold, carrying value | $ 6,600.0 | $ 3,300.0 |  | $ 9,400.0 | $ 6,200.0
Commercial Mortgage-Backed Securities |  |  |  |  |
Debt Securities, Available-for-sale [Line Items] |  |  |  |  |
Impairment, available-for-sale debt security |  |  | $ 0.4 |  |

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- Definition Carrying value of mortgage backed securities sold during period. + References No definition available. + Details
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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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Namespace Prefix: |
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Balance Type: |
Period Type: |