Proceeds from sale of real estate assets and partial interest

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- Definition

Real Estate Property, Ownership Interest Sold

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- Definition

Weighted average remaining lease term

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- Definition

Area of a real estate property.

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No definition available.

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- Definition

The difference between the carrying value and the sale price of real estate or properties that were intended to be sold or held for capital appreciation or rental income. This element refers to the gain (loss) included in earnings and not to the cash proceeds of the sale. This element is a noncash adjustment to net income when calculating net cash generated by operating activities using the indirect method.

+ References

Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
-Topic 230
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The charge against earnings in the period to reduce the carrying amount of real property to fair value.

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- Definition

Amount of increase in noncontrolling interest from sale of a portion of the parent's controlling interest.

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- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

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- Definition

Amount of cash inflow from a noncontrolling interest. Includes, but is not limited to, purchase of additional shares or other increase in noncontrolling interest ownership.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

The cash inflow from the sale of formerly productive land held for sale, anything permanently fixed to it, including buildings, structures on it, and so forth.

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Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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- Definition

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

No definition available.

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Investments in real estate - Real estate asset sales (Details) $ in Thousands			1 Months Ended	3 Months Ended			9 Months Ended
	Apr. 24, 2023 USD ($)	Jan. 10, 2020 ft² property	Jun. 30, 2023 USD ($) ft² property	Sep. 30, 2023 USD ($) ft² property	Jun. 30, 2023 USD ($) ft² property	Sep. 30, 2022 USD ($)	Sep. 30, 2023 USD ($) ft² property	Sep. 30, 2022 USD ($)
Real Estate Properties
Area of real estate property \| ft²				75,100,000			75,100,000
Proceeds from Noncontrolling Interests							$ 436,207	$ 1,463,454
Contributions from and sales of noncontrolling interests				$ 136,726		$ 450,913	431,393	1,479,520
Proceeds from sales of real estate							761,321	994,331
Gain on sales of real estate				0		323,699	214,810	537,918
Proceeds from sale of real estate assets and partial interest							875,448
Impairment of real estate				$ 20,649		38,783	$ 189,224	38,783
Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations
Real Estate Properties
Area of real estate property \| ft²				312,660			312,660
Number of real estate properties \| property				4			4
China Properties
Real Estate Properties
Impairment of real estate					$ 17,100
Number of real estate properties \| property			1		1
Greater Boston and Texas \| Disposal Group, Held-for-Sale or Disposed of by Sale, Not Discontinued Operations
Real Estate Properties
Area of real estate property \| ft²				230,704			230,704
Number of real estate properties \| property				3			3
Additional Paid-In Capital
Real Estate Properties
Contributions from and sales of noncontrolling interests				$ 6,455		125,956	$ 30,400	652,591
Noncontrolling Interests
Real Estate Properties
Contributions from and sales of noncontrolling interests				$ 130,271		$ 324,957	400,993	$ 826,929
9625 Towne Centre Drive
Real Estate Properties
Area of real estate property \| ft²			163,648		163,648
Proceeds from Noncontrolling Interests					$ 32,261
9625 Towne Centre Drive \| Additional Paid-In Capital
Real Estate Properties
Contributions from and sales of noncontrolling interests					$ 15,553
9625 Towne Centre Drive \| Noncontrolling Interests \| Alexandria
Real Estate Properties
Real Estate Property, Ownership Interest Sold			20.10%		20.10%
15 Necco Street
Real Estate Properties
Area of real estate property \| ft²			345,995		345,995
Proceeds from Noncontrolling Interests					$ 66,108
15 Necco Street \| Additional Paid-In Capital
Real Estate Properties
Contributions from and sales of noncontrolling interests					$ (7,761)
15 Necco Street \| Noncontrolling Interests \| Alexandria
Real Estate Properties
Real Estate Property, Ownership Interest Sold			18.00%		18.00%
9625 Towne Centre Drive and 15 Necco Street
Real Estate Properties
Proceeds from Noncontrolling Interests							98,369
9625 Towne Centre Drive and 15 Necco Street \| Additional Paid-In Capital
Real Estate Properties
Contributions from and sales of noncontrolling interests							7,792
780 and 790 Memorial Drive and 225, 231, 266, and 275 Second Avenue
Real Estate Properties
Real Estate Property, Ownership Interest Sold			100.00%		100.00%
Area of real estate property \| ft²			428,663		428,663
Proceeds from sales of real estate					$ 365,226
Gain on sales of real estate					$ 187,225
11119 North Torrey Pines Road
Real Estate Properties
Real Estate Property, Ownership Interest Sold			100.00%		100.00%
Area of real estate property \| ft²			72,506		72,506
Proceeds from sales of real estate					$ 86,000
Gain on sales of real estate					$ 27,585
225, 231, 266, and 275 Second Avenue , 780 and 790 Memorial Drive, and 11119 North Torrey Pines Road
Real Estate Properties
Proceeds from sales of real estate							$ 451,226
421 Park Drive
Real Estate Properties
Area of real estate property \| ft²				660,034			660,034
421 Park Drive Condominium
Real Estate Properties
Area of real estate property \| ft²				268,023			268,023
Proceeds from sales of real estate				$ 174,412
421 Park Drive Remaining
Real Estate Properties
Area of real estate property \| ft²				392,011			392,011
275 Grove Street
Real Estate Properties
Real Estate Property, Ownership Interest Sold			100.00%		100.00%
Area of real estate property \| ft²		509,702	509,702		509,702
Proceeds from sales of real estate					$ 109,349
Impairment of real estate	$ 138,900		$ 6,500		145,400
Number of real estate properties \| property		3
Weighted average remaining lease term		6 years 1 month 6 days
Other
Real Estate Properties
Proceeds from sales of real estate					$ 42,092