XML 54 R36.htm IDEA: XBRL DOCUMENT v3.2.0.727

Nature of Business and Financial Statement Presentation - Additional Information (Detail)	3 Months Ended			6 Months Ended
	Jun. 30, 2015 USD ($)	Mar. 31, 2015 USD ($) Assets	Jun. 30, 2014 USD ($)	Jun. 30, 2015 USD ($)	Jun. 30, 2014 USD ($)
Nature Of Business And Financial Statement Presentation [Line Items]
Tax expense	$ 573,000		$ 642,000	$ 5,473,000	$ 1,327,000
Impact on net income due to adoption of new accounting pronouncement	$ 0			$ 0
Puerto Rico Tax Restructuring [Member]
Nature Of Business And Financial Statement Presentation [Line Items]
Number of assets owned | Assets		14
Prepay of taxes		$ 20,200,000
Effective tax rate		10.00%
Taxable REIT subsidiary activity		$ 16,800,000
Tax expense		$ 3,400,000
Effective tax rate spread		2.00%
Old Tax Rate [Member] | Puerto Rico Tax Restructuring [Member]
Nature Of Business And Financial Statement Presentation [Line Items]
Effective tax rate on capital gains		29.00%
Effective tax rate		39.00%
New Tax Rate [Member] | Puerto Rico Tax Restructuring [Member]
Nature Of Business And Financial Statement Presentation [Line Items]
Effective tax rate on capital gains		12.00%
Effective tax rate		10.00%

X

- Definition

Effective capital gain tax rate.

+ References

No definition available.

+ Details

Name:	ddr_EffectiveCapitalGainTaxRate
Namespace Prefix:	ddr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Effective income tax rate spread.

+ References

No definition available.

+ Details

Name:	ddr_EffectiveIncomeTaxRateSpread
Namespace Prefix:	ddr_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

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

Taxable REIT subsidiary activity.

+ References

No definition available.

+ Details

Name:	ddr_TaxableRealEstateInvestmentTrustSubsidiaryActivity
Namespace Prefix:	ddr_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Percentage of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 13



-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32698-109319



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(h)(2))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 12



-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32687-109319

+ Details

Name:	us-gaap_EffectiveIncomeTaxRateContinuingOperations
Namespace Prefix:	us-gaap_
Data Type:	num:percentItemType
Balance Type:	na
Period Type:	duration

X

- Definition

Amount of current income tax expense (benefit) and deferred income tax expense (benefit) pertaining to continuing operations.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 740



-SubTopic 10



-Section 50



-Paragraph 9



-Subparagraph (a),(b)



-URI http://asc.fasb.org/extlink&oid=6907707&loc=d3e32639-109319



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 235



-SubTopic 10



-Section S99



-Paragraph 1



-Subparagraph (SX 210.4-08.(h))



-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Income Tax Expense (or Benefit)



-URI http://asc.fasb.org/extlink&oid=6515339

+ Details

Name:	us-gaap_IncomeTaxExpenseBenefit
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

X

- Definition

Amount of the effect of a change in accounting principle on net income.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 250



-SubTopic 10



-Section 50



-Paragraph 3



-URI http://asc.fasb.org/extlink&oid=56949863&loc=d3e22583-107794



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 250



-SubTopic 10



-Section 50



-Paragraph 1



-Subparagraph (b)(2)



-URI http://asc.fasb.org/extlink&oid=56949863&loc=d3e22499-107794



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 250



-SubTopic 10



-Section 50



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=56949863&loc=d3e22580-107794

+ Details

Name:	us-gaap_NewAccountingPronouncementOrChangeInAccountingPrincipleEffectOfChangeOnNetIncome
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	duration

X

- Definition

The number of real estate properties owned as of the balance sheet date.

+ References

No definition available.

+ Details

Name:	us-gaap_NumberOfRealEstateProperties
Namespace Prefix:	us-gaap_
Data Type:	xbrli:integerItemType
Balance Type:	na
Period Type:	instant

X

- Definition

Amount of asset related to consideration paid in advance for income and other taxes that provide economic benefits within a future period of one year or the normal operating cycle, if longer.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section 45



-Paragraph 1



-Subparagraph (g)(4)



-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6676-107765



Reference 2: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 340



-SubTopic 10



-Section 05



-Paragraph 4



-URI http://asc.fasb.org/extlink&oid=51662447&loc=d3e5865-108316



Reference 3: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Glossary Current Assets



-URI http://asc.fasb.org/extlink&oid=6509628



Reference 4: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 210



-SubTopic 10



-Section 45



-Paragraph 2



-URI http://asc.fasb.org/extlink&oid=28358313&loc=d3e6787-107765



Reference 5: http://www.xbrl.org/2003/role/presentationRef



-Publisher FASB



-Name Accounting Standards Codification



-Topic 340



-SubTopic 10



-Section 05



-Paragraph 5



-URI http://asc.fasb.org/extlink&oid=51662447&loc=d3e5879-108316

+ Details

Name:	us-gaap_PrepaidTaxes
Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	instant

X

- Details

Name:	us-gaap_IncomeTaxAuthorityNameAxis=ddr_PuertoRicoTaxRestructuringMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementScenarioAxis=ddr_OldTaxRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type:

X

- Details

Name:	us-gaap_StatementScenarioAxis=ddr_NewTaxRateMember
Namespace Prefix:
Data Type:	na
Balance Type:
Period Type: