BORROWINGS (Senior Secured Financing Facility Term Warehouse Financing Facilities, Mortgage Payable) (Parenthetical) (Details) - USD ($)	Jun. 30, 2024	Dec. 31, 2023
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	$ 10,810,000	$ 14,523,000
ReadyCap Commercial, LLC | Mortgages Payable
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	155,000	259,000
Oceanview Life and Annuity Company | Mortgages Payable
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	708,000	1,300,000
Florida Pace Funding Agency | Mortgages Payable
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	412,000	419,000
Senior Secured Financing Facility | Massachusetts Mutual Life Insurance Company
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	2,600,000	2,900,000
CRE - Term Warehouse Financing Facilities | JP Morgan Chase Bank, N.A.
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	1,300,000	1,600,000
CRE - Term Warehouse Financing Facilities | Morgan Stanley Mortgage Capital Holdings LLC
Debt Instrument [Line Items]
Unamortized issuance costs and discounts	$ 265,000	$ 647,000