OTHER ASSETS (Details) - USD ($) $ / shares in Units, shares in Thousands, $ in Thousands	3 Months Ended	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
Other Assets Disclosure [Line Item]
Straight-line rent receivables	$ 202,675	$ 202,675	$ 194,108
Deferred lease costs, net	145,973	145,973	118,556
Accounts receivable, net	108,138	108,138	76,091
Investment in unconsolidated operating entities	95,623	95,623	80,312
Stock warrants	40,192	40,192	59,281
Non-mortgage loans receivable, net	28,129	28,129	26,152
Other intangibles, net	11,513	11,513	5,584
Other	160,420	160,420	123,326
Total other assets	792,663	792,663	683,410
Allowance for doubtful accounts	$ 70,300	$ 70,300	$ 75,500
Common stock, shares issued (in shares)	437,085	437,085	402,380
Issuance of common stock, net	$ 18,000	$ 1,964,867	$ 108,455	$ 0
Brookdale
Other Assets Disclosure [Line Item]
Common stock, shares issued (in shares)	2,900	2,900
Brookdale Senior Living
Other Assets Disclosure [Line Item]
Shares of common stock (in shares)	11,100	11,100
Exercise price (usd per share)	$ 3.00	$ 3.00
Kindred
Other Assets Disclosure [Line Item]
Class of warrant or right, ownership percentage, parent	9.90%	9.90%
Brookdale
Other Assets Disclosure [Line Item]
Shares of common stock (in shares)	5,200	5,200