OTHER ASSETS (Details) - USD ($) $ / shares in Units, $ in Thousands, shares in Millions	Dec. 31, 2023	Dec. 31, 2022
Other Assets Disclosure [Line Item]
Straight-line rent receivables	$ 194,108	$ 187,536
Non-mortgage loans receivable, net	26,152	24,338
Stock warrants	59,281	23,621
Other intangibles, net	5,584	6,393
Investment in unconsolidated operating entities	80,312	95,363
Other	199,417	171,387
Total other assets	683,410	609,823
Deferred Costs, Leasing, Net	$ 118,556	$ 101,185
Brookdale Senior Living
Other Assets Disclosure [Line Item]
Shares of common stock (in shares)	16.3
Exercise price (usd per share)	$ 3.00