FAIR VALUE DISCLOSURES - Face Values, Carrying Amounts and Fair Values of Financial Instruments (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Financial assets:
Loans receivable	$ 391,591	$ 391,010
Loans receivable	396,351
Preferred equity investments	61,752	60,915
Preferred equity investments	63,428
Senior Notes
Financial liabilities:
Financial liabilities, face value	1,750,000	1,750,000
Financial liabilities, carrying amount and fair value	1,626,167
Secured Indebtedness
Financial liabilities:
Financial liabilities, face value	45,593	46,110
Financial liabilities, carrying amount and fair value	34,125
Carrying Amount
Financial assets:
Loans receivable	382,218	381,468
Preferred equity investments	61,933	61,116
Carrying Amount | Senior Notes
Financial liabilities:
Financial liabilities, carrying amount and fair value	1,736,213	1,736,025
Carrying Amount | Secured Indebtedness
Financial liabilities:
Financial liabilities, carrying amount and fair value	44,811	45,316
Fair Value
Financial assets:
Loans receivable	396,351	397,791
Preferred equity investments	63,428	62,765
Fair Value | Senior Notes
Financial liabilities:
Financial liabilities, carrying amount and fair value	1,626,167	1,617,779
Fair Value | Secured Indebtedness
Financial liabilities:
Financial liabilities, carrying amount and fair value	$ 34,125	$ 33,635