FAIR VALUE MEASUREMENTS - Schedule of Items Measured at Fair Value on a Recurring Basis (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Mortgage Secured and Mezzanine Loans Receivable
Assets:
Loan receivable	$ 686,449	$ 178,568
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	686,449	178,568
Mortgage secured loans receivable | Recurring
Assets:
Loan receivable	611,627	156,769
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	611,627	156,769
Mezzanine loans receivable | Recurring
Assets:
Loan receivable	74,822	21,799
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	$ 74,822	$ 21,799