Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Detail) - USD ($) $ in Thousands	Dec. 31, 2016	Dec. 31, 2015
Condensed Combined Balance Sheets
Land	$ 1,990,406	$ 2,184,145
Buildings	6,412,532	6,965,632
Fixtures and tenant improvements	735,685	743,037
Total real estate rental property	9,138,623	9,892,814
Less: Accumulated depreciation	(1,996,176)	(2,062,899)
Real estate rental property, net	7,142,447	7,829,915
Construction in progress and land	105,435	235,385
Total real estate assets, net	7,247,882	8,065,300
Other assets, net	285,410	359,913
Total assets	8,197,518	9,097,088
Mortgage debt	982,509	1,183,164
Total liabilities	4,951,506	5,633,619
Total liabilities and equity	8,197,518	9,097,088
Company's share of accumulated equity	97,977	115,871
Redeemable preferred equity	393,338	395,156
Basis differentials	(36,117)	(42,402)
Deferred development fees, net of portion related to the Company's interest	(2,651)	(2,449)
Amounts payable to the Company	1,584	1,556
Investments in and Advances to Joint Ventures	454,131	467,732
Unconsolidated Joint Ventures [Member]
Condensed Combined Balance Sheets
Land	1,287,675	1,343,889
Buildings	3,376,720	3,551,227
Fixtures and tenant improvements	203,824	191,581
Total real estate rental property	4,868,219	5,086,697
Less: Accumulated depreciation	(884,356)	(817,235)
Real estate rental property, net	3,983,863	4,269,462
Construction in progress and land	56,983	52,390
Total real estate assets, net	4,040,846	4,321,852
Cash and restricted cash	50,378	58,916
Receivables, net	50,685	52,768
Other assets, net	248,664	318,546
Total assets	4,390,573	4,752,082
Mortgage debt	3,034,399	3,177,603
Notes and accrued interest payable to the Company	1,584	1,556
Other liabilities	206,949	219,799
Total liabilities	3,242,932	3,398,958
Redeemable preferred equity	393,338	395,156
Accumulated equity	754,303	957,968
Total liabilities and equity	$ 4,390,573	$ 4,752,082