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Summary of Significant Accounting Policies - Fee and Other Income (Detail) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2010
Other Income And Other Expense Disclosure [Line Items] |  |  |
Management, development, financing and other fee income | $ 43,811 | $ 47,539 | $ 54,592
Ancillary and other property income | 27,665 | 28,527 | 20,196
Lease termination fees | 6,401 | 5,897 | 7,482
Other miscellaneous | 384 | 607 | 2,123
Total fee and other income | $ 78,261 | $ 82,570 | $ 84,393

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- Definition This element represents ancillary and other property-related income, which includes the leasing of vacant space to temporary tenants and kiosk income, is recognized in the period earned. + References No definition available. + Details
Name: | ddr_AncillaryAndOtherPropertyIncome
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition This element represents management fees, development fees, financing fees and other income fees that are recorded in the period earned based on contractual arrangements. + References No definition available. + Details
Name: | ddr_ManagementDevelopmentAndOtherFeeIncome
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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

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- Definition Other Miscellaneous + References No definition available. + Details
Name: | ddr_OtherMiscellaneous
Namespace Prefix: | ddr_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

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- Definition Gain (loss) related to the termination of a contract between the parties. The termination may be due to many causes including early termination of a lease by a lessee, a breach of contract by one party, or a failure to perform. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3602-108585 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 420 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b)(1) -URI http://asc.fasb.org/extlink&oid=6394359&loc=d3e17939-110869 + Details
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Balance Type: | credit
Period Type: | duration

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- Definition The total amount of other operating income, the components of which are not separately disclosed on the income statement, from items that are associated with the entity's normal revenue producing operation. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
Name: | us-gaap_OtherOperatingIncome
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration