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Investments in and Advances to Joint Ventures - Summary of Company's Equity Method Joint Ventures Included in Investments in and Advances (Detail) | 12 Months Ended
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Dec. 31, 2015 Assets
BRE DDR Retail Holdings III [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 5.00%
Equity Method Investment, Assets Owned | 56 shopping centers in several states
Number of shopping centers owned | 56
BRE DDR Retail Holdings IV [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 5.00%
Equity Method Investment, Assets Owned | 6 shopping centers in several states
Number of shopping centers owned | 6
DDRTC Core Retail Fund LLC [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 15.00%
Equity Method Investment, Assets Owned | 25 shopping centers in several states
Number of shopping centers owned | 25
DDR Domestic Retail Fund I [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 20.00%
Equity Method Investment, Assets Owned | 55 grocery-anchored retail centers in several states
Number of shopping centers owned | 55
DDR-SAU Retail Fund LLC [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 20.00%
Equity Method Investment, Assets Owned | 23 grocery-anchored retail centers in several states
Number of shopping centers owned | 23
Other Joint Venture Interests [Member] |
Schedule Of Equity Method Investments [Line Items] |
Equity Method Investment, Assets Owned | 3 shopping centers in 2 states
Number of shopping centers owned | 3
Minimum [Member] | Other Joint Venture Interests [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 25.75%
Maximum [Member] | Other Joint Venture Interests [Member] |
Schedule Of Equity Method Investments [Line Items] |
Effective Ownership Percentage | 79.45%

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