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: