ACCOUNTING POLICIES - Schedule of VIEs (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Variable Interest Entity
Total Assets	$ 25,347,189	$ 24,725,433
Total Liabilities	15,188,823	14,878,392
Variable Interest Entity | NHP/PMB L.P.
Variable Interest Entity
Total Assets	750,258	759,817
Total Liabilities	289,867	266,658
Variable Interest Entity | Fonds Immobilier Groupe Maurice, S.E.C.
Variable Interest Entity
Total Assets	1,899,604	1,971,410
Total Liabilities	1,177,864	1,204,619
Variable Interest Entity | Other identified VIEs
Variable Interest Entity
Total Assets	1,587,859	1,597,957
Total Liabilities	380,034	354,828
Variable Interest Entity | Tax credit VIEs (1)
Variable Interest Entity
Total Assets	0	29,746
Total Liabilities	$ 0	$ 4,024