XML 56 R65.htm IDEA: XBRL DOCUMENT
v2.4.1.9

Impairment Charges and Impairment of Joint Venture Investments - Summary of Significant Unobservable Inputs (Detail) (Level 3 [Member], Fair Value Measurements [Member], USD $) In Millions, unless otherwise specified | 3 Months Ended | 12 Months Ended
--- | --- | ---
Mar. 31, 2015 | Dec. 31, 2014
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Fair Value | 287.6 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember | 67.0 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] | Minimum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 10 us-gaap_FairValueInputsPricePerSquareFoot / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember |
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] | Maximum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 40 us-gaap_FairValueInputsPricePerSquareFoot / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember |
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] | Market Capitalization Rate [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range |  | 8.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_MarketCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] | Market Capitalization Rate [Member] | Minimum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 8.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_MarketCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember |
Impairment of Consolidated Assets [Member] | Income Capitalization/Sales Comparison Approach [Member] | Market Capitalization Rate [Member] | Maximum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 9.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_MarketCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_IncomeCapitalizationOrSalesComparisonApproachMember |
Impairment of Consolidated Assets [Member] | Discounted Cash Flow [Member] | Discount Rates [Member] | Minimum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 10.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_DiscountRatesMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember |
Impairment of Consolidated Assets [Member] | Discounted Cash Flow [Member] | Discount Rates [Member] | Maximum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 14.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_DiscountRatesMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember |
Impairment of Consolidated Assets [Member] | Discounted Cash Flow [Member] | Terminal Capitalization Rate [Member] | Minimum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 8.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MinimumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_TerminalCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember |
Impairment of Consolidated Assets [Member] | Discounted Cash Flow [Member] | Terminal Capitalization Rate [Member] | Maximum [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range | 10.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_RangeAxis = us-gaap_MaximumMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_TerminalCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember |
Impairment of Consolidated Assets [Member] | Indicative Bid/Contracted Price [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Fair Value | 33.8 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IndicativeBidOrContractedPriceMember | 74.2 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IndicativeBidOrContractedPriceMember
Impairment of Consolidated Assets [Member] | Indicative Bid [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Fair Value | 51.5 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IndicativeBidsMember |
Impairment of Consolidated Assets [Member] | Indicative Bid/Sales Comparison Approach [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Fair Value | 34.2 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfConsolidatedAssetsMember / us-gaap_ValuationTechniqueAxis = ddr_IndicativeBidOrSalesComparisonApproachMember |
Impairment of Joint Venture Investments [Member] | Discounted Cash Flow [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Fair Value |  | 6.4 us-gaap_AssetsFairValueDisclosure / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfJointVentureInvestmentsMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember
Impairment of Joint Venture Investments [Member] | Discounted Cash Flow [Member] | Discount Rates [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range |  | 15.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfJointVentureInvestmentsMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_DiscountRatesMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember
Impairment of Joint Venture Investments [Member] | Discounted Cash Flow [Member] | Terminal Capitalization Rate [Member] |  |
Fair Value Assets And Liabilities Measured On Nonrecurring Basis [Line Items] |  |
Range |  | 6.00%ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems / us-gaap_FairValueByFairValueHierarchyLevelAxis = us-gaap_FairValueInputsLevel3Member / us-gaap_FairValueByMeasurementFrequencyAxis = us-gaap_FairValueMeasurementsNonrecurringMember / us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis = ddr_ImpairmentOfJointVentureInvestmentsMember / us-gaap_ValuationAllowancesAndReservesTypeAxis = ddr_TerminalCapitalizationRateMember / us-gaap_ValuationTechniqueAxis = ddr_DiscountedCashFlowMember

X
- Details
Name: | ddr_FairValueAssetsAndLiabilitiesMeasuredOnNonrecurringBasisLineItems
Namespace Prefix: | ddr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Range of valuation technique used in fair value measurement of non-recurring items. + References No definition available. + Details
Name: | ddr_RangeOfValuationTechniqueUsedInFairValueMeasurementOfNonRecurringItems
Namespace Prefix: | ddr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Fair value portion of probable future economic benefits obtained or controlled by an entity as a result of past transactions or events. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_AssetsFairValueDisclosure
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Cost of construction of real property stated is a price per square foot, used as an input to measure fair value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 820 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (bbb) -URI http://asc.fasb.org/extlink&oid=36462937&loc=d3e19207-110258 + Details
Name: | us-gaap_FairValueInputsPricePerSquareFoot
Namespace Prefix: | us-gaap_
Data Type: | xbrli:pureItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=ddr_ImpairmentOfConsolidatedAssetsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_ImpairedLongLivedAssetsHeldAndUsedByTypeAxis=ddr_ImpairmentOfJointVentureInvestmentsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |