ACCOUNTING POLICIES - Schedule of VIEs (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Variable Interest Entity [Line Items]
Total Assets	$ 26,186,906	$ 24,725,433
Total Liabilities	15,047,081	14,878,392
Variable Interest Entity, Primary Beneficiary | NHP/PMB L.P.
Variable Interest Entity [Line Items]
Total Assets	728,457	759,817
Total Liabilities	286,030	266,658
Variable Interest Entity, Primary Beneficiary | Other identified VIEs
Variable Interest Entity [Line Items]
Total Assets	1,447,381	1,597,957
Total Liabilities	410,721	354,828
Variable Interest Entity, Primary Beneficiary | Tax credit VIEs (1)
Variable Interest Entity [Line Items]
Total Assets	0	29,746
Total Liabilities	0	4,024
Variable Interest Entity, Primary Beneficiary | Fonds Immobilier Groupe Maurice, S.E.C.
Variable Interest Entity [Line Items]
Total Assets	1,779,762	1,971,410
Total Liabilities	$ 1,121,659	$ 1,204,619