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Investments in and Advances to Joint Ventures - Schedule of Business Acquisitions (Detail) $ in Thousands, ft² in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 USD ($) ft² ShoppingCenter | Dec. 31, 2014 USD ($) ft² ShoppingCenter | Dec. 31, 2013 USD ($)
Schedule Of Equity Method Investments [Line Items] |  |  |
Redeemable preferred equity | $ 395,156 | $ 305,310 |
Transaction value at 100% | 185,485 | 407,705 |
Mortgage debt assumed at 100% | $ 33,700 | $ 293,300 | $ 969,700
BRE DDR Retail Holdings Joint Venture Acquisitions [Member] | BRE DDR Retail Holdings IV [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Date acquired | 2015-12 |  |
Number of centers | ShoppingCenter | 6 |  |
Gross leasable area ("GLA") | ft² | 1.3 |  |
DDR common equity interest (5%) | $ 12,900 |  |
Redeemable preferred equity | $ 82,600 |  |
Preferred equity fixed dividend rate per annum | 8.50% |  |
Transaction value at 100% | $ 250,100 |  |
Maximum preferred equity fixed distribution deferral | 23.50% |  |
Mortgage debt assumed at 100% | $ 112,900 |  |
New mortgage financings at 100% | $ 0 |  |
BRE DDR Retail Holdings Joint Venture Acquisitions [Member] | BRE DDR Retail Holdings III [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Date acquired |  | 2014-10 |
Number of centers | ShoppingCenter |  | 70 |
Gross leasable area ("GLA") | ft² |  | 11.4 |
DDR common equity interest (5%) |  | $ 19,600 |
Redeemable preferred equity |  | $ 300,000 |
Preferred equity fixed dividend rate per annum |  | 8.50% |
Transaction value at 100% |  | $ 1,930,000 |
Maximum preferred equity fixed distribution deferral |  | 23.50% |
Mortgage debt assumed at 100% |  | $ 436,800 |
New mortgage financings at 100% |  | $ 800,000 |
Unpaid Preferred Equity Distributions [Member] | BRE DDR Retail Holdings Joint Venture Acquisitions [Member] | BRE DDR Retail Holdings IV [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Preferred equity fixed dividend rate per annum | 8.50% |  |
Unpaid Preferred Equity Distributions [Member] | BRE DDR Retail Holdings Joint Venture Acquisitions [Member] | BRE DDR Retail Holdings III [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Preferred equity fixed dividend rate per annum |  | 8.50% |

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