MORTGAGE LOANS RECEIVABLE - Schedule of Activity for Mortgage Loans Receivable (Details) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Financing Receivable [Roll Forward]
Beginning balance	$ 429,550
Paydowns and payoffs	(37,670)
Transfer of loans to REO	(5,917)	$ (6,025)
Ending balance	392,974
Mortgage Loans Receivable
Financing Receivable [Roll Forward]
Beginning balance	2,232,913
Initial loan advances	468,805
Construction holdbacks and draws	180,893
Paydowns and payoffs	(505,091)
Fair value adjustments	14,873
Purchased loans discount amortization	588
Transfer of loans to REO	(8,237)
Ending balance	$ 2,384,744