The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Section 45
-Paragraph 28
-Subparagraph (b)
-SubTopic 10
-Topic 230
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482740/230-10-45-28

Reference 2: http://fasb.org/us-gaap/role/ref/legacyRef
-Name Accounting Standards Codification
-Topic 360
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (a)
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147482099/360-10-50-1

Land, Buildings and Improvements, and Assets Held for Sale - Narratives (Details) $ in Thousands	3 Months Ended		6 Months Ended		12 Months Ended
	Jun. 30, 2024 USD ($) property $ / €	Jun. 30, 2023 USD ($) property	Jun. 30, 2024 USD ($) property $ / €	Jun. 30, 2023 USD ($) property	Dec. 31, 2023 USD ($) property $ / €
Real Estate Properties
Decrease in exchange rate (as a percent)			3.10%
Foreign currency exchange rate \| $ / €	1.0705		1.0705		1.1050
Increase (decrease) in value of balance sheet item due to foreign currency translation	$ (24)	$ 9,479	$ (4,362)	$ 15,936
Land, buildings and improvements — net lease and other	12,341,979		12,341,979		$ 12,095,458
Net investments in finance leases and loans receivable	320,714		320,714		$ 431,328
Investments in real estate
Capitalized construction cost			$ 24,200
Construction projects completed (property) \| property			3		11
Unfunded commitment	92,600		$ 92,600		$ 71,800
Funding commitment	44,100		44,100
Capitalized interest	200	100	400	100
Lease payments	8,900	$ 4,300	10,700	5,600
Lease termination income				$ 11,400
Assets held for sale, net	$ 7,743		$ 7,743		$ 37,122
Asset Held for Sale, Not in Discontinued Operations
Real Estate Properties
Number of real estate properties (property) \| property	1		1		2
Investments in real estate
Assets held for sale, net	$ 7,700		$ 7,700		$ 37,100
Properties Disposed of by Sale
Real Estate Properties
Number of real estate properties (property) \| property	1		1
Investments in real estate
Number of properties sold \| property	12	3	165	8
Land, Buildings and Improvements \| Properties Disposed of by Sale
Investments in real estate
Number of properties sold \| property	1		14
Increase (decrease) in carrying value of real estate			$ (102,900)		$ (102,900)
Operating Lease
Real Estate Properties
Increase (decrease) in value of balance sheet item due to foreign currency translation			$ (111,700)
Number of real estate properties (property) \| property	24		24
Depreciation	$ 72,500	$ 79,700	$ 144,100	$ 171,000
Operating Real Estate
Real Estate Properties
Depreciation	$ 7,400	$ 7,700	14,700	$ 14,900
Hotel \| Land, Buildings and Improvements \| Properties Disposed of by Sale
Investments in real estate
Increase (decrease) in carrying value of real estate			$ (14,300)
Hotel \| Operating Real Estate
Real Estate Properties
Number of real estate properties (property) \| property	4		4		5
Self- Storage \| Operating Real Estate
Real Estate Properties
Number of real estate properties (property) \| property	80		80		80
Student Housing \| Operating Real Estate
Real Estate Properties
Number of real estate properties (property) \| property	2		2		2
Adjustments
Real Estate Properties
Land, buildings and improvements — net lease and other	$ 105,500		$ 105,500
Net investments in finance leases and loans receivable	$ (105,500)		$ (105,500)
Adjustments \| Land, Buildings and Improvements — Net Lease and Other
Real Estate Properties
Number of real estate properties (property) \| property	14		14