XML 55 R61.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Investments in and Advances to Joint Ventures - Condensed Combined Statements of Operations of Unconsolidated Joint Venture Investments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Schedule Of Equity Method Investments [Line Items] |  |  |
Company's proportionate share of the impairment charges | $ 4.4 ddr_CompanysProportionateShareOfImpairmentCharges | $ 6.6 ddr_CompanysProportionateShareOfImpairmentCharges | $ 0.4 ddr_CompanysProportionateShareOfImpairmentCharges
Company's share of aggregate impairment charges reclassified to discontinued operations | 0.8 ddr_CompanyShareOfImpairmentChargesReclassifiedToDiscontinuedOperations | 4.0 ddr_CompanyShareOfImpairmentChargesReclassifiedToDiscontinuedOperations | 0.7 ddr_CompanyShareOfImpairmentChargesReclassifiedToDiscontinuedOperations
Investment basis value for which no income loss Recognized | 0 ddr_InvestmentBasisValue |  |
Obligation or Intent to fund additional capital | 0 ddr_ObligationToFundAdditionalCapital |  |
Unconsolidated Joint Ventures [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Impairment charges reclassified to discontinued operations related to asset sales | 11.1 ddr_ImpairmentChargesReclassifiedToDiscontinuedOperations / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_UnconsolidatedJointVenturesMember | 49.3 ddr_ImpairmentChargesReclassifiedToDiscontinuedOperations / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_UnconsolidatedJointVenturesMember | 56.3 ddr_ImpairmentChargesReclassifiedToDiscontinuedOperations / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_UnconsolidatedJointVenturesMember
Coventry II Fund JV [Member] |  |  |
Schedule Of Equity Method Investments [Line Items] |  |  |
Effective Ownership Percentage |  | 20.00%us-gaap_EquityMethodInvestmentOwnershipPercentage / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_CoventryTwoFundJointVenturesMember |
Loss on property transfer |  | 32.6 ddr_LossOnPropertyTransfer / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_CoventryTwoFundJointVenturesMember |
Investment basis value for which no income loss Recognized |  | $ 0 ddr_InvestmentBasisValue / us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis = ddr_CoventryTwoFundJointVenturesMember |

X
- Definition The proportionate share of impairment charges reclassified to discontinued operations of its equity method investee. + References No definition available. + Details
Name: | ddr_CompanyShareOfImpairmentChargesReclassifiedToDiscontinuedOperations
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The proportionate share of total impairment charges of its equity method investee. + References No definition available. + Details
Name: | ddr_CompanysProportionateShareOfImpairmentCharges
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The impairment charges reclassified to discontinued operations of its equity method investee. + References No definition available. + Details
Name: | ddr_ImpairmentChargesReclassifiedToDiscontinuedOperations
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition No income (loss) recorded for those entities accounted for using the equity method in which its investment basis was zero. + References No definition available. + Details
Name: | ddr_InvestmentBasisValue
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of net income (loss) reported by an equity method investment of the entity by a transfer of ownership to the lender. + References No definition available. + Details
Name: | ddr_LossOnPropertyTransfer
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The reporting entity's obligation to fund additional capital for an entity in which the reporting entity accounts for the investment using the equity method of accounting. + References No definition available. + Details
Name: | ddr_ObligationToFundAdditionalCapital
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 323 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6382943&loc=d3e33918-111571 + Details
Name: | us-gaap_EquityMethodInvestmentOwnershipPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ddr_CoventryTwoFundJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ScheduleOfEquityMethodInvestmentEquityMethodInvesteeNameAxis=ddr_UnconsolidatedJointVenturesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |