REAL ESTATE AND OTHER SECURITIES - Narrative (Details) $ in Millions	3 Months Ended
	Mar. 31, 2024 USD ($)
Agency
Debt Securities, Available-for-sale [Line Items]
Face amount of securities purchased	$ 1,300.0
Payments for securities purchased, unsettled	1,300.0
Non-Agency
Debt Securities, Available-for-sale [Line Items]
Face amount of securities purchased	14.0
Payments for securities purchased, unsettled	$ 13.9