REAL ESTATE AND OTHER SECURITIES - Narrative (Details) - RMBS Designated as AFS - USD ($)	Sep. 30, 2022	Dec. 31, 2021
Debt Securities, Available-for-sale [Line Items]
Face amount of securities purchased, unsettled	$ 498,400,000	$ 0
Face amount of securities sold, unsettled	$ 498,000,000.0

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.

No definition available.

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