FAIR VALUE - Schedule of Carrying Values and Fair Values of These Financial Instruments (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation
Debt-related investments	$ 137,857	$ 28,844
DST Program Loans	170,865	71,068
Level 3
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation
Debt-related investments	137,857	28,844
DST Program Loans	170,865	71,068
Level 3 | Carrying Amount
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation
Debt-related investments	44,420	384,759
DST Program Loans	20,637	49,785
Line of credit	744,349	548,228
Term loans	1,000,000	800,000
Mortgage notes	1,256,268	1,368,946
Level 3 | Estimated Fair Value
Fair Value Assets And Liabilities Measured On Recurring Basis Unobservable Input Reconciliation
Debt-related investments	43,219	383,490
DST Program Loans	20,637	49,583
Line of credit	744,349	548,228
Term loans	1,000,000	800,000
Mortgage notes	$ 1,254,511	$ 1,340,398