BORROWINGS (Senior Secured Financing, Term Warehouse Financing Facilities and Mortgage Payable) (Details) $ in Thousands	Jun. 30, 2026 USD ($) Loan	Dec. 31, 2025 USD ($) Loan
Debt Instrument [Line Items]
Outstanding Borrowings	$ 708,191	$ 1,343,859
Value of Collateral	$ 1,102,802	$ 1,897,049
Weighted Average Interest Rate	5.55%	5.73%
Mortgage Payable \| HGM CRE LP
Debt Instrument [Line Items]
Outstanding Borrowings	$ 20,904
Value of Collateral	$ 26,970
Number of Positions as Collateral \| Loan	1
Weighted Average Interest Rate	7.25%
Mortgage Payable \| ReadyCap Commercial, LLC
Debt Instrument [Line Items]
Outstanding Borrowings		$ 20,185
Value of Collateral		$ 26,964
Number of Positions as Collateral \| Loan		1
Weighted Average Interest Rate		7.57%
CRE - Term Reinvestment Financing Facility \| JP Morgan Chase Bank, N.A.
Debt Instrument [Line Items]
Outstanding Borrowings, Unamortized Issuance Costs and Discounts	$ 622,766	$ 728,167
Value of Collateral	$ 917,369	$ 1,009,622
Number of Positions as Collateral \| Loan	30	34
Weighted Average Interest Rate	5.40%	5.50%
Senior Secured Financing Facility \| Massachusetts Mutual Life Insurance Company
Debt Instrument [Line Items]
Outstanding Borrowings, Unamortized Issuance Costs and Discounts	$ 56,398	$ 61,645
Value of Collateral	$ 147,861	$ 166,526
Number of Positions as Collateral \| Loan	4	5
Weighted Average Interest Rate	7.48%	7.53%
CRE - Term Warehouse Financing Facilities \| JP Morgan Chase Bank, N.A.
Debt Instrument [Line Items]
Outstanding Borrowings		$ 116,488
Value of Collateral		$ 149,000
Number of Positions as Collateral \| Loan		3
Weighted Average Interest Rate		5.50%
CRE - Term Warehouse Financing Facilities \| Morgan Stanley Mortgage Capital Holdings LLC
Debt Instrument [Line Items]
Outstanding Borrowings	$ 8,123	$ 417,374
Value of Collateral	$ 10,602	$ 544,937
Number of Positions as Collateral \| Loan	0	12
Weighted Average Interest Rate	5.27%	5.55%