Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	Sep. 30, 2022	Jun. 30, 2022	Dec. 31, 2021	Sep. 30, 2021	Jun. 30, 2021	Dec. 31, 2020
Condensed Combined Balance Sheets
Land	$ 1,095,662		$ 1,011,401
Buildings	3,848,821		3,624,164
Fixtures and tenant improvements	587,962		556,056
Total real estate rental property	5,532,445		5,191,621
Less: Accumulated depreciation	(1,672,242)		(1,571,569)
Real estate rental property, net	3,860,203		3,620,052
Construction in progress and land	59,812		47,260
Total real estate assets, net	3,920,015		3,667,312
Other assets, net	147,507		130,479
Total assets	4,196,971		3,967,051
Mortgage debt	90,235		125,799
Total liabilities	2,079,536		1,924,399
Accumulated equity	2,117,435	$ 2,090,678	2,042,652	$ 2,018,467	$ 2,017,031	$ 1,944,823
Total liabilities and equity	4,196,971		3,967,051
Company's share of accumulated equity	43,886		59,286
Basis differentials	(760)		2,946
Deferred development fees, net of portion related to the Company's interest	(319)		(937)
Amounts payable to the Company	3,194		3,331
Investments in and Advances to Joint Ventures, net	46,001		64,626
Unconsolidated Joint Ventures [Member]
Condensed Combined Balance Sheets
Land	214,310		378,442
Buildings	651,111		1,092,245
Fixtures and tenant improvements	69,964		123,313
Total real estate rental property	935,385		1,594,000
Less: Accumulated depreciation	(218,942)		(441,215)
Real estate rental property, net	716,443		1,152,785
Construction in progress and land	1,655		5,778
Total real estate assets, net	718,098		1,158,563
Cash and restricted cash	43,951		37,535
Receivables, net	11,122		16,854
Other assets, net	38,973		49,029
Total assets	812,144		1,261,981
Mortgage debt	539,897		873,336
Notes and accrued interest payable to the Company	3,194		3,331
Other liabilities	41,304		51,473
Total liabilities	584,395		928,140
Accumulated equity	227,749		333,841
Total liabilities and equity	$ 812,144		$ 1,261,981