XML 83 R64.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Acquisitions - Summary of Acquired Shopping Centers (Detail) - Shopping Center [Member] - USD ($) $ in Millions | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014
Orange County [Member] | CA [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired | 2015-03 |
Purchase Price | $ 49.2 |
Face Value of Mortgage Debt Assumed | $ 33.0 |
Orlando [Member] | FL [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired | 2015-04 |
Purchase Price | $ 33.0 |
Face Value of Mortgage Debt Assumed | $ 0.0 |
Houston [Member] | TX [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired | 2015-06 |
Purchase Price | $ 69.8 |
Face Value of Mortgage Debt Assumed | $ 0.0 |
Orlando [Member] | FL [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired | 2015-12 |
Purchase Price | $ 67.1 |
Face Value of Mortgage Debt Assumed | $ 0.0 |
Colorado Springs [Member] | CO [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-04
Purchase Price |  | $ 29.4
Face Value of Mortgage Debt Assumed |  | $ 12.9
Roseville [Member] | CA [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-05
Purchase Price |  | $ 89.5
Face Value of Mortgage Debt Assumed |  | $ 0.0
Cincinnati [Member] | OH [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-05
Purchase Price |  | $ 29.5
Face Value of Mortgage Debt Assumed |  | $ 0.0
Chicago [Member] | IL [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-06
Purchase Price |  | $ 98.0
Face Value of Mortgage Debt Assumed |  | $ 35.5
Philadelphia [Member] | PA [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-08
Purchase Price |  | $ 31.5
Face Value of Mortgage Debt Assumed |  | $ 0.0
Erie [Member] | PA [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-12
Purchase Price |  | $ 15.6
Face Value of Mortgage Debt Assumed |  | $ 0.0
Blackstone II Acquisition [Member] |  |
Business Acquisition [Line Items] |  |
Date Acquired |  | 2014-09
Purchase Price |  | $ 395.3
Face Value of Mortgage Debt Assumed |  | $ 233.3

X
- Definition Business acquisition, date of acquisition. + References No definition available. + Details
Name: | ddr_BusinessAcquisitionDateOfAcquisition
Namespace Prefix: | ddr_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Business acquisitions cost of acquired entity purchase price gross. + References No definition available. + Details
Name: | ddr_BusinessAcquisitionsCostOfAcquiredEntityPurchasePriceGross
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The amount represents the face value of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash acquisition. + References No definition available. + Details
Name: | ddr_NonCashFaceValueOfDebtAssumed
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementBusinessSegmentsAxis=ddr_ShoppingCenterMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_OrangeCountyMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_OrlandoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_FL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_HoustonMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_TX
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_OrlandoOneMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_ColoradoSpringsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_CO
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_RosevilleMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_CincinnatiMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_OH
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_ChicagoMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_IL
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_PhiladelphiaMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=stpr_PA
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | invest_InvestmentGeographicRegionAxis=ddr_ErieMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_BusinessAcquisitionAxis=ddr_BlackstoneTwoAcquisitionMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |