Equity Method Investments - Narratives (Details) $ in Thousands		3 Months Ended		9 Months Ended
	Sep. 01, 2024 USD ($) property	Sep. 30, 2024 USD ($) property	Sep. 30, 2023 USD ($)	Sep. 30, 2024 USD ($) property	Sep. 30, 2023 USD ($)	Dec. 31, 2023 USD ($)
Schedule of Equity Method Investments
Distributions of earnings from equity method investments				$ 16,821	$ 15,107
Payments to acquire equity method investments				9,126	36,595
Gain on change in control of interests		$ 31,849	$ 0	31,849	0
Carrying value		299,465		299,465		$ 354,261
Land, buildings and improvements — net lease and other		12,745,926		12,745,926		12,095,458
In-place lease intangible assets and other		2,287,824		2,287,824		2,308,853
Adjustments
Schedule of Equity Method Investments
Land, buildings and improvements — net lease and other		117,500		117,500
CESH | Affiliated Entity
Schedule of Equity Method Investments
Distributions of earnings from equity method investments				$ 0	1,200
Johnson Self Storage
Schedule of Equity Method Investments
Additional ownership acquired (as a percent)	10.00%
Payments to acquire equity method investments	$ 10,500
Equity method investment, ownership (as a percent)	100.00%
Gain on change in control of interests		$ 31,800
Carrying value	$ 62,900
Equity method investment fair value	94,700
Johnson Self Storage | Adjustments
Schedule of Equity Method Investments
Land, buildings and improvements — net lease and other	84,400
In-place lease intangible assets and other	$ 20,600
Self-Storage | Adjustments
Schedule of Equity Method Investments
Number of real estate properties (property) | property		9		9
Self-Storage | Johnson Self Storage
Schedule of Equity Method Investments
Number of real estate properties (property) | property	9
Owned Real Estate Segment | Unconsolidated Real Estate Investment
Schedule of Equity Method Investments
Distributions of earnings from equity method investments				$ 17,800	$ 25,200
Aggregate unamortized basis difference on equity investments		$ 16,800		$ 16,800		$ 18,000