FAIR VALUE DISCLOSURES - Face Values, Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Financial assets:
Loans receivable	$ 372,873	$ 370,364
Preferred equity investments	57,681	50,902
Senior Notes
Financial liabilities:
Financial liabilities	1,750,000	1,750,000
Secured Indebtedness
Financial liabilities:
Financial liabilities	48,143	50,123
Carrying Amount
Financial assets:
Loans receivable	362,775	360,325
Preferred equity investments	57,849	51,071
Carrying Amount | Senior Notes
Financial liabilities:
Financial liabilities	1,735,253	1,734,431
Carrying Amount | Secured Indebtedness
Financial liabilities:
Financial liabilities	47,301	49,232
Fair Value
Financial assets:
Loans receivable	383,141	370,188
Preferred equity investments	59,526	51,995
Fair Value | Senior Notes
Financial liabilities:
Financial liabilities	1,567,428	1,463,041
Fair Value | Secured Indebtedness
Financial liabilities:
Financial liabilities	$ 36,279	$ 38,149