XML 43 R32.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Nature of Business and Financial Statement Presentation - Additional Information (Detail) - USD ($) $ in Millions | Sep. 30, 2016 | Dec. 31, 2015
--- | --- | ---
Accounting Standards Update ("ASU") No. 2015-02 |  |
Nature Of Business And Financial Statement Presentation [Line Items] |  |
Maximum exposure to losses associated with VIEs | $ 416.3 | $ 412.4

X
- Definition Nature of business and financial statement presentation. + References No definition available. + Details
Name: | ddr_NatureOfBusinessAndFinancialStatementPresentationLineItems
Namespace Prefix: | ddr_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition The reporting entity's maximum amount of exposure to loss as a result of its involvement with the Variable Interest Entity (VIE). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 4 -Subparagraph b -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5728-111685 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 810 -SubTopic 10 -Section 50 -Paragraph 6 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=64801991&loc=d3e5747-111685 + Details
Name: | us-gaap_VariableInterestEntityEntityMaximumLossExposureAmount
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_AdjustmentsForNewAccountingPronouncementsAxis=us-gaap_AccountingStandardsUpdate201502Member
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |