Condensed Consolidated Balance Sheets (Unaudited) (USD $) In Thousands	6 Months Ended	12 Months Ended
	Jun. 30, 2011	Dec. 31, 2010
Assets
Land	$ 1,843,033	$ 1,837,403
Buildings	5,506,914	5,491,489
Fixtures and tenant improvements	360,196	339,129
Total real estate rental property	7,710,143	7,668,021
Less: Accumulated depreciation	(1,538,522)	(1,452,112)
Real estate rental property, net	6,171,621	6,215,909
Land held for development and construction in progress	708,365	743,218
Real estate held for sale, net	195	0
Total real estate assets, net	6,880,181	6,959,127
Investments in and advances to joint ventures	415,584	417,223
Cash and cash equivalents	15,425	19,416
Restricted cash	4,068	4,285
Notes receivable, net	102,196	120,330
Other assets, net	249,410	247,709
Total assets	7,666,864	7,768,090
Unsecured indebtedness:
Senior notes	2,256,598	2,043,582
Revolving credit facilities	170,555	279,865
Total unsecured indebtedness	2,427,153	2,323,447
Secured indebtedness:
Term loan	500,000	600,000
Mortgage and other secured indebtedness	1,286,998	1,378,553
Total secured indebtedness	1,786,998	1,978,553
Total indebtedness	4,214,151	4,302,000
Accounts payable and accrued expenses	137,532	127,715
Dividends payable	18,034	12,092
Equity derivative liability - affiliate	0	96,237
Other liabilities	83,497	95,359
Total liabilities	4,453,214	4,633,403
Commitments and contingencies (Note 9)
Developers Diversified Realty Corporation Equity:
Common shares, with par value, $0.10 stated value; 500,000,000 shares authorized; 276,711,707 and 256,267,750 shares issued at June 30, 2011 and December 31, 2010, respectively	27,671	25,627
Paid-in capital	4,140,370	3,868,990
Accumulated distributions in excess of net income	(1,402,858)	(1,378,341)
Deferred compensation obligation	12,661	14,318
Accumulated other comprehensive income	34,410	25,646
Less: Common shares in treasury at cost: 652,915 and 712,310 shares at June 30, 2011 and December 31, 2010, respectively	(12,139)	(14,638)
Total DDR shareholders' equity	3,175,115	3,096,602
Non-controlling interests	38,535	38,085
Total equity	3,213,650	3,134,687
Total liabilities and equity	7,666,864	7,768,090
Class G Preferred Stock
Developers Diversified Realty Corporation Equity:
Cumulative redeemable preferred shares, without par value	0	180,000
Class H Preferred Stock
Developers Diversified Realty Corporation Equity:
Cumulative redeemable preferred shares, without par value	205,000	205,000
Class I Preferred Stock
Developers Diversified Realty Corporation Equity:
Cumulative redeemable preferred shares, without par value	$ 170,000	$ 170,000