Condensed Consolidated Balance Sheets (Current Period Unaudited) - USD ($) $ in Thousands	Jun. 30, 2016	Dec. 31, 2015
Assets:
Operating real estate, net of accumulated depreciation of $2,199,725 and $2,115,320, respectively	$ 9,171,988	$ 9,274,299
Investments and advances in real estate joint ventures	519,268	742,559
Real estate under development	293,306	179,190
Other real estate investments	204,062	215,836
Mortgages and other financing receivables	23,815	23,824
Cash and cash equivalents	337,815	189,534
Marketable securities	7,006	7,565
Accounts and notes receivable	172,702	175,252
Other assets	662,470	536,112
Total assets	11,392,432	11,344,171
Liabilities:
Notes payable	3,728,629	3,761,328
Mortgages payable	1,460,188	1,614,982
Declaration of dividends paid in succeeding period	116,857	115,182
Other liabilities	555,299	584,019
Total liabilities	5,860,973	6,075,511
Redeemable noncontrolling interests	86,774	86,709
Commitments and Contingencies
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 419,997,765 and 413,430,756 shares, respectively	4,200	4,134
Paid-in capital	5,768,093	5,608,881
Cumulative distributions in excess of net income	(465,348)	(572,335)
Accumulated other comprehensive income	7,150	5,588
Total stockholders' equity	5,314,127	5,046,300
Noncontrolling interests	130,558	135,651
Total equity	5,444,685	5,181,951
Total liabilities and equity	$ 11,392,432	$ 11,344,171