ACCOUNTING POLICIES - Schedule of VIEs (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Variable Interest Entity
Total Assets	$ 26,925,704	$ 26,186,906
Total Liabilities	14,151,995	15,047,081
Variable Interest Entity | NHP/PMB L.P.
Variable Interest Entity
Total Assets	661,245	728,457
Total Liabilities	236,500	286,030
Variable Interest Entity | Fonds Immobilier Groupe Maurice, S.E.C.
Variable Interest Entity
Total Assets	1,805,667	1,779,762
Total Liabilities	1,142,402	1,121,659
Variable Interest Entity | Other identified VIEs
Variable Interest Entity
Total Assets	1,467,060	1,447,381
Total Liabilities	$ 442,221	$ 410,721