MORTGAGE LOANS RECEIVABLE - Schedule of Mortgage Loans Receivable (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
Financing Receivable [Roll Forward]
Beginning balance	$ 94,401	$ 290,180
Paydowns and payoffs	(70,695)	(152,256)
Changes in instrument-specific credit risk	0	63,062
Other factors	231	(1,397)
Ending balance	429,550	94,401
Mortgage Loans Receivable
Financing Receivable [Roll Forward]
Beginning balance	2,064,028	1,515,762
Purchases	146,631
Initial loan advances	1,380,187	1,438,117
Construction holdbacks and draws	667,656	559,294
Paydowns and payoffs	(2,025,890)	(1,405,278)
Purchased loans discount (premium) amortization	668	(43,867)
Changes in instrument-specific credit risk	0
Other factors	(367)
Ending balance	$ 2,232,913	$ 2,064,028