XML 125 R106.htm IDEA: XBRL DOCUMENT
v3.3.1.900

Discontinued Operations and Disposition of Real Estate and Real Estate Investments - Additional Information (Detail) - Property | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Discontinued Operations And Disposal Groups [Abstract] |  |  |
Number of properties sold | 29 |  |
Number of properties sold under discontinued operations |  | 35 | 39

X
- Definition Discontinued operations number of real estate properties sold. + References No definition available. + Details
Name: | ddr_DiscontinuedOperationsNumberOfRealEstatePropertiesSold
Namespace Prefix: | ddr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Number of properties sold attributable to the disposal group during the reporting period. + References No definition available. + Details
Name: | ddr_NumberOfPropertiesSold
Namespace Prefix: | ddr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- References No definition available. + Details
Name: | us-gaap_DiscontinuedOperationsAndDisposalGroupsAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration