EXPENSES, REALIZED AND UNREALIZED GAINS (LOSSES), NET AND OTHER - Schedule of Components of Other Income (Loss) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Other Income and Expenses [Abstract]
Real estate and other securities	$ (87,979)	$ (122,578)	$ (190,942)	$ (38,727)
Residential mortgage loans and REO	22,623	(10,123)	26,149	7,974
Derivative and hedging instruments	17,054	215,952	58,986	64,946
Notes and bonds payable	(2,857)	4,549	(2,631)	2,049
Consolidated CFEs	33,384	(17,441)	49,797	(5,197)
Other	3,006	6,174	(974)	(20,417)
Realized and unrealized gains (losses), net	(14,769)	76,533	(59,615)	10,628
Other income (loss), net	19,042	(47,898)	26,968	(73,064)
Total other income (loss)	$ 4,273	$ 28,635	$ (32,647)	$ (62,436)