MORTGAGE LOANS RECEIVABLE - Schedule of Mortgage Loans Receivable Outstanding by Loan Type (Details) $ in Thousands	3 Months Ended
	Mar. 31, 2024 USD ($) loan	Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 392,974	$ 429,550
Mortgage Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 2,384,744	$ 2,232,913
% of Portfolio	100.00%
Loan Count | loan	1,397
% of Portfolio	100.00%
Weighted Average Yield	10.40%
Weighted Average Original Life (Months)	20 years 6 months
Mortgage Loans Receivable | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 1,047,688
% of Portfolio	43.90%
Loan Count | loan	365
% of Portfolio	26.10%
Weighted Average Yield	10.90%
Weighted Average Original Life (Months)	16 years 9 months 18 days
Weighted Average Committed Loan Balance to Value, LTC	73.40%
Weighted Average Committed Loan Balance to Value, LTARV	62.30%
Mortgage Loans Receivable | Bridge
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 1,037,056
% of Portfolio	43.50%
Loan Count | loan	638
% of Portfolio	45.70%
Weighted Average Yield	9.90%
Weighted Average Original Life (Months)	27 years 2 months 12 days
Weighted Average Committed Loan Balance to Value	68.10%
Mortgage Loans Receivable | Renovation
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 300,000
% of Portfolio	12.60%
Loan Count | loan	394
% of Portfolio	28.20%
Weighted Average Yield	10.30%
Weighted Average Original Life (Months)	12 years 7 months 6 days
Weighted Average Committed Loan Balance to Value, LTC	81.20%
Weighted Average Committed Loan Balance to Value, LTARV	68.40%