Investments in real estate - Schedule of investment in real estates (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Real Estate
Investments in real estate	$ 32,951,777	$ 31,633,511
Alexandria Center for Life Science - New York City
Real Estate
Gross investments in real estate	165,100
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations
Real Estate
Investments in real estate	228,400	185,400
North America
Real Estate
Land (related to rental properties)	4,267,297	4,385,515
Buildings and building improvements	20,651,577	20,320,866
Other improvements	4,317,120	3,681,628
Rental properties	29,235,994	28,388,009
Development and redevelopment projects	9,340,425	8,226,309
Gross investments in real estate	38,576,419	36,614,318
Less: accumulated depreciation	(5,624,642)	(4,980,807)
Investments in real estate	$ 32,951,777	$ 31,633,511

Carrying amount as of the balance sheet date of improvements not otherwise specified in the existing taxonomy.

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- Definition

The current amount of expenditures for a real estate project that has not yet been completed.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
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Reference 2: http://www.xbrl.org/2009/role/commonPracticeRef
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Aggregate of the carrying amounts as of the balance sheet date of investments in building and building improvements.

+ References

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- Definition

Amount before accumulated depletion of real estate held for productive use, excluding land held for sale.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 210
-SubTopic 10
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02(13))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147480566/210-10-S99-1

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The cumulative amount of depreciation for real estate property held for investment purposes.

+ References

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Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 944
-SubTopic 210
-Name Accounting Standards Codification
-Section S99
-Paragraph 1
-Subparagraph (SX 210.7-03(a)(1)(d))
-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

Reference 2: http://www.xbrl.org/2003/role/disclosureRef
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-Paragraph 1
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-Publisher FASB
-URI https://asc.fasb.org/1943274/2147478777/944-210-S99-1

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Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments.

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Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

Reference 1: http://www.xbrl.org/2003/role/disclosureRef
-Topic 976
-SubTopic 310
-Name Accounting Standards Codification
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-Paragraph 1
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-Publisher FASB
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Carrying amount of income producing properties held for rental.

+ References

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