Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	Sep. 30, 2023	Jun. 30, 2023	Dec. 31, 2022	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021
Condensed Combined Balance Sheets
Land	$ 1,082,330		$ 1,066,852
Buildings	3,717,850		3,733,805
Fixtures and tenant improvements	597,874		576,036
Total real estate rental property	5,398,054		5,376,693
Less: Accumulated depreciation	(1,730,179)		(1,652,899)
Real estate rental property, net	3,667,875		3,723,794
Construction in progress and land	62,809		56,466
Total real estate assets, net	3,730,684		3,780,260
Other assets, net	125,155		135,009
Total assets	4,025,122		4,045,017
Mortgage debt	38,100		54,577
Total liabilities	1,978,405		1,952,395
Accumulated equity	2,046,717	$ 2,024,698	2,092,622	$ 2,117,435	$ 2,090,678	$ 2,042,652
Total liabilities and equity	4,025,122		4,045,017
Company's share of accumulated equity	37,442		42,644
Basis differentials	762		(707)
Deferred development fees, net of portion related to the Company's interest	(133)		(301)
Investments in and Advances to Joint Ventures, net	40,830		44,608
Related Party [Member]
Condensed Combined Balance Sheets
Amounts payable to the Company	2,759		2,972
Unconsolidated Joint Ventures [Member]
Condensed Combined Balance Sheets
Land	180,588		212,326
Buildings	556,898		643,334
Fixtures and tenant improvements	55,500		70,636
Total real estate rental property	792,986		926,296
Less: Accumulated depreciation	(181,799)		(220,642)
Real estate rental property, net	611,187		705,654
Construction in progress and land	1,012		1,965
Total real estate assets, net	612,199		707,619
Cash and restricted cash	51,363		44,809
Receivables, net	9,054		11,671
Other assets, net	29,051		36,272
Total assets	701,667		800,371
Mortgage debt	466,631		535,093
Other liabilities	38,469		41,588
Total liabilities	507,859		579,653
Accumulated equity	193,808		220,718
Total liabilities and equity	701,667		800,371
Unconsolidated Joint Ventures [Member] | Related Party [Member]
Condensed Combined Balance Sheets
Other liabilities	$ 2,759		$ 2,972