ACCOUNTING POLICIES - Schedule of VIEs (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Variable Interest Entity
Total Assets	$ 25,070,862	$ 24,157,840
Total Liabilities	14,770,747	13,671,513
Variable Interest Entity | NHP/PMB L.P.
Variable Interest Entity
Total Assets	746,467	741,890
Total Liabilities	252,293	252,518
Variable Interest Entity | Fonds Immobilier Groupe Maurice, S.E.C.
Variable Interest Entity
Total Assets	2,009,243	1,957,075
Total Liabilities	1,213,624	1,170,928
Variable Interest Entity | Other identified VIEs
Variable Interest Entity
Total Assets	1,704,600	1,699,949
Total Liabilities	359,247	333,185
Variable Interest Entity | Tax credit VIEs
Variable Interest Entity
Total Assets	121,771	128,240
Total Liabilities	$ 16,504	$ 16,767