IMPAIRMENT OF REAL ESTATE INVESTMENTS, ASSETS HELD FOR SALE AND ASSET SALES - Schedule of Company's Assets Held for Sale Activity (Details) $ in Thousands	6 Months Ended
	Jun. 30, 2025 USD ($) facility	Jun. 30, 2024 USD ($) facility
Increase Decrease in Assets Held for Sale [Roll Forward]
Net carrying value at beginning	$ 2,705,522
Net carrying value at ending	3,773,587
Disposal Group, Held-for-sale, Not Discontinued Operations
Increase Decrease in Assets Held for Sale [Roll Forward]
Net carrying value at beginning	57,261	$ 15,011
Net carrying value, additions to assets held for sale	38,430	43,305
Net carrying value, assets sold	(40,525)	(1,108)
Net carrying value, impairment of real estate held for sale		(28,455)
Net carrying value at ending	$ 55,166	$ 28,753
Number of facilities at beginning | facility	10	14
Number of facilities, additions to assets held for sale | facility	10	9
Number of facilities, assets sold | facility	(4)	(3)
Number of facilities, impairment of real estate held for sale | facility		0
Number of facilities at ending | facility	16	20