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Investments in and Advances to Joint Ventures - Additional Information (Detail) (USD $)	1 Months Ended	9 Months Ended			1 Months Ended
	Aug. 31, 2013	Sep. 30, 2013 Assets Store	Sep. 30, 2012 Assets	Dec. 31, 2012 Store	Apr. 30, 2013 DDRTC JV [Member] Assets	Aug. 31, 2013 BRE DDR Retail Holdings II [Member] ShoppingCenter Assets
Schedule of Equity Method Investments [Line Items]
Shopping centers owned		203		206
Shopping centers owned						7
Joint venture purchase price						$ 332,000,000
Debt assumed			246,200,000			206,600,000
New Mortgage Debt		21,967,000	592,000			28,000,000
Ownership interest of joint venture partner					85.00%	95.00%
Ownership interest in joint venture	5.00%
Investment on preferred equity	30,000,000	198,500,000		154,600,000
Fixed distribution rate	9.00%
Number of assets included in right of first offer						4
Number of joint venture assets acquired		5	5		5
Purchase price of acquired entities					110,500,000
Repaid mortgage debt					$ 92,400,000

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The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting.

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