Property, Plant and Equipment and Leasehold Intangibles, Net -Schedule of Net Property, Plant and Equipment and Leasehold Intangibles (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 8,984,756	$ 8,942,397
Accumulated depreciation and amortization	(4,438,929)	(4,347,996)
Property, plant and equipment and leasehold intangibles, net	4,545,827	4,594,401
Land
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	559,133	532,719
Buildings and improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	5,979,733	5,667,855
Furniture and equipment
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	1,236,867	1,182,026
Resident in-place lease intangibles
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	281,041	281,041
Construction in progress
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	26,339	32,965
Assets under financing leases and leasehold improvements
Property, Plant and Equipment [Line Items]
Property, plant and equipment and leasehold intangibles	$ 901,643	$ 1,245,791