MORTGAGE LOANS RECEIVABLE - Schedule of Mortgage Loans Receivable (Details) $ in Thousands	9 Months Ended
	Sep. 30, 2023 USD ($)
Financing Receivable [Roll Forward]
Beginning balance	$ 94,401
Paydowns and payoffs	(70,695)
Ending balance	63,359
Mortgage Loans Receivable
Financing Receivable [Roll Forward]
Beginning balance	2,064,028
Purchases	146,631
Initial loan advances	975,677
Construction holdbacks and draws	491,370
Paydowns and payoffs	(1,542,459)
Purchased loans discount amortization	177
Ending balance	$ 2,135,424