Real Estate - Summary of Dispositions of Net Investments in Real Estate (Detail) ft² in Thousands, $ in Thousands		3 Months Ended		9 Months Ended
		Sep. 30, 2023 USD ($) ft² Property	Sep. 30, 2022 USD ($) ft² Property	Sep. 30, 2023 USD ($) ft² Property	Sep. 30, 2022 USD ($) ft² Property
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Gains on dispositions of development properties and land, net	[1]	$ 89,030	$ 74,678	$ 273,907	$ 390,686
Gains on other dispositions of investments in real estate, net	[2]	$ 129,584	$ 1,019	$ 158,392	$ 585,854
Discontinuing Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of buildings | Property	[2]	19	0	24	102
Square feet | ft²	[2]	2,415	0	2,775	8,676
Net proceeds	[2]	$ 263,567	$ 0	$ 635,140	$ 1,264,280
Continuing Operations [Member]
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items]
Number of buildings | Property	[1]	2	7	7	18
Square feet | ft²	[1]	1,530	1,203	3,652	4,966
Net proceeds	[1]	$ 272,250	$ 168,601	$ 738,207	$ 846,350

[1] The gains we recognize in Gains on Dispositions of Development Properties and Land, Net in the Consolidated Statements of Income are principally driven by the contribution of newly developed properties to our unconsolidated co-investment ventures and occasionally sales to a third party.

[2] During the nine months ended September 30, 2023, we sold our ownership interest in an unconsolidated office joint venture.