Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Sep. 30, 2016	Dec. 31, 2015
Assets:
Operating real estate, net of accumulated depreciation of $2,220,455 and $2,115,320, respectively	$ 9,392,984	$ 9,274,299
Investments and advances in real estate joint ventures	477,800	742,559
Real estate under development	289,101	179,190
Other real estate investments	205,552	215,836
Mortgages and other financing receivables	23,537	23,824
Cash and cash equivalents	170,545	189,534
Marketable securities	8,141	7,565
Accounts and notes receivable, net	171,474	175,252
Other assets	466,968	536,112
Total assets	11,206,102	11,344,171
Liabilities:
Notes payable	3,786,921	3,761,328
Mortgages payable	1,213,120	1,614,982
Declaration of dividends paid in succeeding period	118,136	115,182
Other liabilities	569,107	584,019
Total liabilities	5,687,284	6,075,511
Redeemable noncontrolling interests	86,856	86,709
Stockholders' equity:
Preferred stock, $1.00 par value, authorized 6,029,100 shares 32,000 shares issued and outstanding (in series) Aggregate liquidation preference $800,000	32	32
Common stock, $.01 par value, authorized 750,000,000 shares issued and outstanding 425,013,233 and 413,430,756 shares, respectively	4,250	4,134
Paid-in capital	5,919,856	5,608,881
Cumulative distributions in excess of net income	(628,826)	(572,335)
Accumulated other comprehensive income	6,145	5,588
Total stockholders' equity	5,301,457	5,046,300
Noncontrolling interests	130,505	135,651
Total equity	5,431,962	5,181,951
Total liabilities and equity	$ 11,206,102	$ 11,344,171