MORTGAGE LOANS RECEIVABLE - Schedule of Mortgage Loans Receivable Held by Loan Type (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2024 USD ($) loan	Dec. 31, 2023 USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 394,091	$ 429,550
Mortgage Loans Receivable
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 2,541,369
% of Portfolio	100.00%
Loan Count | loan	1,397
% of Portfolio	100.00%
Weighted Average Yield	10.60%
Weighted Average Original Life (Months)	20 years 4 months 24 days
Mortgage Loans Receivable | Consolidated Entity, Excluding Consolidated VIE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 2,049,266	$ 1,879,319
Mortgage Loans Receivable | Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	492,103
Mortgage Loans Receivable | Construction
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 1,097,543
% of Portfolio	43.30%
Loan Count | loan	396
% of Portfolio	28.30%
Weighted Average Yield	11.20%
Weighted Average Original Life (Months)	18 years 3 months 18 days
Weighted average committed loan balance to value, LTC	72.80%
Weighted average committed loan balance to value, LTARV	62.30%
Mortgage Loans Receivable | Construction | Consolidated Entity, Excluding Consolidated VIE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 886,359
Mortgage Loans Receivable | Construction | Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	211,184
Mortgage Loans Receivable | Bridge
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 1,118,377
% of Portfolio	43.80%
Loan Count | loan	575
% of Portfolio	41.20%
Weighted Average Yield	10.10%
Weighted Average Original Life (Months)	24 years 7 months 6 days
Weighted average committed loan balance to value	67.70%
Mortgage Loans Receivable | Bridge | Consolidated Entity, Excluding Consolidated VIE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 898,306
Mortgage Loans Receivable | Bridge | Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	220,071
Mortgage Loans Receivable | Renovation
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 325,449
% of Portfolio	12.90%
Loan Count | loan	426
% of Portfolio	30.50%
Weighted Average Yield	10.50%
Weighted Average Original Life (Months)	12 years 6 months
Weighted average committed loan balance to value, LTC	81.70%
Weighted average committed loan balance to value, LTARV	67.40%
Mortgage Loans Receivable | Renovation | Consolidated Entity, Excluding Consolidated VIE
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 264,601
Mortgage Loans Receivable | Renovation | Variable Interest Entity, Primary Beneficiary
Accounts, Notes, Loans and Financing Receivable [Line Items]
Total Carrying Value	$ 60,848