SECURED BORROWINGS (Details) - USD ($)		1 Months Ended	3 Months Ended
	Nov. 30, 2019	Apr. 30, 2019	Mar. 31, 2022	Dec. 31, 2021
Debt Instrument [Line Items]
Outstanding balance			$ 912,857,000	$ 1,041,157,000
Notes Payable
Debt Instrument [Line Items]
Outstanding balance	$ 23,500,000		$ 22,800,000
Extension period of maturity date	12 months
Interest rate margin (as a percent)			3.75%
NORTH CAROLINA | Notes Payable
Debt Instrument [Line Items]
Aggregate principal amount		$ 30,500,000
Outstanding balance		24,400,000
NORTH CAROLINA | Notes Payable | Multifamily
Debt Instrument [Line Items]
Outstanding balance		$ 6,100,000
NORTH CAROLINA | Senior Mortgage Loans
Debt Instrument [Line Items]
Extension period of maturity date		12 months
NORTH CAROLINA | Senior Mortgage Loan, Due May 5, 2023 | Office
Debt Instrument [Line Items]
Outstanding balance			$ 22,700,000
Interest rate margin (as a percent)		2.50%