CONSOLIDATED BALANCE SHEETS (Unaudited) - USD ($) $ in Thousands	Sep. 30, 2015	Dec. 31, 2014
Investment in real estate
Land	$ 6,424,887	$ 6,295,404
Depreciable property	20,540,247	19,851,504
Projects under development	1,039,657	1,343,919
Land held for development	154,690	184,556
Investment in real estate	28,159,481	27,675,383
Accumulated depreciation	(5,914,695)	(5,432,805)
Investment in real estate, net	22,244,786	22,242,578
Cash and cash equivalents	37,366	40,080
Investments in unconsolidated entities	74,108	105,434
Deposits – restricted	135,674	72,303
Escrow deposits – mortgage	54,071	48,085
Deferred financing costs, net	57,001	58,380
Other assets	405,798	383,754
Total assets	23,008,804	22,950,614
Liabilities:
Mortgage notes payable	4,891,529	5,086,515
Notes, net	5,881,794	5,425,346
Line of credit and commercial paper	29,996	333,000
Accounts payable and accrued expenses	253,027	153,590
Accrued interest payable	86,083	89,540
Other liabilities	353,106	389,915
Security deposits	76,934	75,633
Distributions payable	209,086	188,566
Total liabilities	11,781,555	11,742,105
Redeemable Noncontrolling Interests	522,585	500,733
Shareholders’ equity:
Preferred Shares of beneficial interest, $0.01 par value; 100,000,000 shares authorized; 803,600 shares issued and outstanding as of September 30, 2015 and 1,000,000 shares issued and outstanding as of December 31, 2014	40,180	50,000
Common Shares of beneficial interest, $0.01 par value; 1,000,000,000 shares authorized; 364,140,040 shares issued and outstanding as of September 30, 2015 and 362,855,454 shares issued and outstanding as of December 31, 2014	3,641	3,629
Paid in capital	8,584,143	8,536,340
Retained earnings	2,007,590	1,950,639
Accumulated other comprehensive (loss)	(157,020)	(172,152)
Total shareholders’ equity	10,478,534	10,368,456
Noncontrolling Interests:
Operating Partnership	221,487	214,411
Noncontrolling Interests – Partially Owned Properties	4,643	124,909
Total Noncontrolling Interests	226,130	339,320
Total equity	10,704,664	10,707,776
Total liabilities and equity	$ 23,008,804	$ 22,950,614