FAIR VALUE MEASUREMENTS - Schedule of Items Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Mortgage Secured and Mezzanine Loans Receivable
Assets:
Loan receivable	$ 842,228	$ 837,008
Mortgage Secured and Mezzanine Loans Receivable | Level 1 | Recurring
Assets:
Loan receivable	0	0
Mortgage Secured and Mezzanine Loans Receivable | Level 2 | Recurring
Assets:
Loan receivable	0	0
Mortgage Secured and Mezzanine Loans Receivable | Level 3 | Recurring
Assets:
Loan receivable	842,228	837,008
Mortgage secured loans receivable | Recurring
Assets:
Loan receivable	658,427	660,392
Mortgage secured loans receivable | Level 1 | Recurring
Assets:
Loan receivable	0	0
Mortgage secured loans receivable | Level 2 | Recurring
Assets:
Loan receivable	0	0
Mortgage secured loans receivable | Level 3 | Recurring
Assets:
Loan receivable	658,427	660,392
Mezzanine loans receivable | Recurring
Assets:
Loan receivable	87,173	80,612
Mezzanine loans receivable | Level 1 | Recurring
Assets:
Loan receivable	0	0
Mezzanine loans receivable | Level 2 | Recurring
Assets:
Loan receivable	0	0
Mezzanine loans receivable | Level 3 | Recurring
Assets:
Loan receivable	87,173	80,612
Financing receivable | Recurring
Assets:
Loan receivable	96,628	96,004
Financing receivable | Level 1 | Recurring
Assets:
Loan receivable	0	0
Financing receivable | Level 2 | Recurring
Assets:
Loan receivable	0	0
Financing receivable | Level 3 | Recurring
Assets:
Loan receivable	$ 96,628	$ 96,004