Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022	Mar. 31, 2022	Dec. 31, 2021
Condensed Combined Balance Sheets
Land	$ 1,073,726	$ 1,066,852
Buildings	3,755,415	3,733,805
Fixtures and tenant improvements	592,009	576,036
Total real estate rental property	5,421,150	5,376,693
Less: Accumulated depreciation	(1,696,184)	(1,652,899)
Real estate rental property, net	3,724,966	3,723,794
Construction in progress and land	57,276	56,466
Total real estate assets, net	3,782,242	3,780,260
Other assets, net	140,050	135,009
Total assets	4,053,185	4,045,017
Mortgage debt	54,201	54,577
Total liabilities	2,008,174	1,952,395
Accumulated equity	2,045,011	2,092,622	$ 2,056,118	$ 2,042,652
Total liabilities and equity	4,053,185	4,045,017
Company's share of accumulated equity	43,437	42,644
Basis differentials	(442)	(707)
Deferred development fees, net of portion related to the Company's interest	(245)	(301)
Amounts payable to the Company	2,827	2,972
Investments in and Advances to Joint Ventures, net	45,577	44,608
Unconsolidated Joint Ventures [Member]
Condensed Combined Balance Sheets
Land	199,882	212,326
Buildings	607,130	643,334
Fixtures and tenant improvements	67,358	70,636
Total real estate rental property	874,370	926,296
Less: Accumulated depreciation	(204,892)	(220,642)
Real estate rental property, net	669,478	705,654
Construction in progress and land	501	1,965
Total real estate assets, net	669,979	707,619
Cash and restricted cash	63,112	44,809
Receivables, net	10,750	11,671
Other assets, net	33,305	36,272
Total assets	777,146	800,371
Mortgage debt	509,168	535,093
Notes and accrued interest payable to the Company	2,827	2,972
Other liabilities	40,392	41,588
Total liabilities	552,387	579,653
Accumulated equity	224,759	220,718
Total liabilities and equity	$ 777,146	$ 800,371