Leases - Narrative (Details) $ in Thousands, squareFeet in Millions		1 Months Ended	3 Months Ended					9 Months Ended
	Oct. 26, 2023 USD ($) property	Jul. 31, 2024 ft² squareFeet	Sep. 30, 2024 USD ($)	Jun. 30, 2024 lease	Sep. 30, 2023 USD ($)	Jun. 30, 2023 USD ($)	Mar. 31, 2023 USD ($) lease	Sep. 30, 2024 USD ($) lease	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Lessor, Lease, Description [Line Items]
Initial direct costs			$ 188,000					$ 188,000		$ 172,000
Straight line rent receivable, net of allowances			329,000					329,000		$ 310,000
Straight-line rent receivable								32,891	$ 12,710
Litigation settlement, amount awarded from other party						$ 2,000
Proceeds from insurance recovery						$ 2,000
Rental and related revenues			543,251		$ 417,075			1,552,065	1,219,473
Fixed income from operating leases			$ 394,263		$ 317,106			$ 1,141,901	$ 923,285
Operating lease, area of square feet renewed | squareFeet		2
Operating lease, percentage of annual lease escalations		0.030		0.025
Area of square feet with early termination right | ft²		200,000
Sorrento Therapeutics, Inc.
Lessor, Lease, Description [Line Items]
Straight-line rent receivable							$ 9,000
Number of leases | lease							4	4
Number of leases approved | lease				3
Graphite Bio, Inc.
Lessor, Lease, Description [Line Items]
Property count | property	1
Rental and related revenues	$ 37,000
Termination fees	21,000
Fixed income from operating leases	$ 16,000
Common Spirit
Lessor, Lease, Description [Line Items]
Percentage of segment revenues			3.00%					3.00%
Common Spirit | Outpatient medical
Lessor, Lease, Description [Line Items]
Percentage of segment revenues			6.00%					6.00%