MORTGAGE LOANS RECEIVABLE - Summary of Mortgage Loans Receivable By Purpose (Details) $ in Thousands	12 Months Ended
	Dec. 31, 2023 USD ($) loan	Dec. 31, 2022 USD ($) loan	Dec. 31, 2021 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 429,550	$ 94,401	$ 290,180
Mortgage Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 2,232,913	$ 2,064,028	$ 1,515,762
% of Portfolio	100.00%	100.00%
Loan Count | loan	1,372	1,677
% of Portfolio	100.00%	100.00%
Weighted Average Yield	10.10%	8.20%
Weighted Average Original Life (Months)	20 years 4 months 24 days	16 years 6 months
Mortgage Loans Receivable | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 934,131	$ 965,495
% of Portfolio	41.80%	46.80%
Loan Count | loan	371	622
% of Portfolio	27.00%	37.10%
Weighted Average Yield	10.50%	8.30%
Weighted Average Original Life (Months)	16 years 2 months 12 days	15 years
Weighted Average Committed Loan Balance to Value, LTC	74.00%	76.80%
Weighted Average Committed Loan Balance to Value, LTARV	63.00%	65.60%
Mortgage Loans Receivable | Bridge
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 1,009,667	$ 838,539
% of Portfolio	45.30%	40.60%
Loan Count | loan	652	701
% of Portfolio	47.60%	41.80%
Weighted Average Yield	9.60%	8.10%
Weighted Average Original Life (Months)	26 years 6 months	20 years 1 month 6 days
Weighted Average Committed Loan Balance to Value	68.80%	75.30%
Mortgage Loans Receivable | Renovation
Accounts, Notes, Loans and Financing Receivable [Line Items]
Carrying Value	$ 289,115	$ 259,994
% of Portfolio	12.90%	12.60%
Loan Count | loan	349	354
% of Portfolio	25.40%	21.10%
Weighted Average Yield	10.00%	8.30%
Weighted Average Original Life (Months)	13 years 6 months	13 years
Weighted Average Committed Loan Balance to Value, LTC	80.50%	78.00%
Weighted Average Committed Loan Balance to Value, LTARV	68.60%	66.10%