Acquisitions, Dispositions, and Other Significant Leasing Transactions - Ventas Lease Amendment (Details) $ in Thousands	1 Months Ended	12 Months Ended
	Dec. 31, 2024 USD ($) community extension_option	Dec. 31, 2024 USD ($)	Dec. 31, 2023 USD ($)
Lessee, Lease, Description [Line Items]
Operating lease right-of-use assets	$ 1,133,837	$ 1,133,837	$ 670,907
Operating lease, liability	$ 1,285,300	$ 1,285,300
Ventas, Inc
Lessee, Lease, Description [Line Items]
Number of communities, lease properties | community	120
Number of communities, lease renewal properties | community	65
Number of communities, lease non-renewal properties | community	55
Aggregate annual minimum rent	$ 64,000
Annual increase in rent percentage	0.03
Number of extension options | extension_option	1
Term of extensions	10 years
Maximum capital expenditures funded by lessor	$ 35,000
Operating lease, lessee, capital expenditures, reimbursement percentage	0.08
Basis spread on variable rate basis (as percent)	3.50%
Capital expenditures funded by lessor per year	$ 15,000
Number of communities to sell | community	11
Number of remaining communities, lease non-renewal properties | community	44
Management fee percentage		0.05
Operating lease right-of-use assets	$ 434,900	$ 434,900
Operating lease, liability	$ 434,900	$ 434,900