Property, Plant and Equipment and Leasehold Intangibles, Net -Schedule of Net Property, Plant and Equipment and Leasehold Intangibles (Details) - USD ($) $ in Thousands	Jun. 30, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 9,011,801	$ 8,942,397
Accumulated depreciation and amortization	(4,511,814)	(4,347,996)
Property, plant and equipment and leasehold intangibles, net	4,499,987	4,594,401
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	557,695	532,719
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	5,980,404	5,667,855
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	1,246,878	1,182,026
Resident in-place lease intangibles
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	279,000	281,041
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	37,571	32,965
Assets under financing leases and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 910,253	$ 1,245,791