FAIR VALUE (Measured on Nonrecurring Basis) (Details) - Level 3 - Nonrecurring - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021
Carrying Amount
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt-related investments	$ 108,782	$ 106,463
DST Program Loans	86,706	62,123
Line of credit	383,000	256,000
Term loans	800,000	525,000
Mortgage notes	588,397	589,554
Estimated Fair Value
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation [Line Items]
Debt-related investments	108,782	106,463
DST Program Loans	85,344	62,123
Line of credit	383,000	256,000
Term loans	798,603	525,000
Mortgage notes	$ 552,816	$ 600,467