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Summary of Significant Accounting Policies - Additional Information (Detail) (USD $) | 12 Months Ended
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Dec. 31, 2014 | Dec. 31, 2013 | Dec. 31, 2012
Accounting Policies [Abstract] |  |  |
Capitalized costs | $ 11,100,000 ddr_CapitalizedCosts | $ 10,900,000 ddr_CapitalizedCosts | $ 10,500,000 ddr_CapitalizedCosts
Impairment charges related to consolidated real estate investment | 38,100,000 ddr_ImpairmentChargesRelatedToConsolidatedRealEstateInvestment | 72,600,000 ddr_ImpairmentChargesRelatedToConsolidatedRealEstateInvestment | 126,500,000 ddr_ImpairmentChargesRelatedToConsolidatedRealEstateInvestment
Interest paid | 243,200,000 us-gaap_InterestPaid | 218,400,000 us-gaap_InterestPaid | 209,300,000 us-gaap_InterestPaid
Capitalized interest paid | 8,700,000 us-gaap_InterestPaidCapitalized | 8,800,000 us-gaap_InterestPaidCapitalized | 13,300,000 us-gaap_InterestPaidCapitalized
Impairment of joint venture investments | 30,652,000 us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment | 980,000 us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment | 26,671,000 us-gaap_EquityMethodInvestmentOtherThanTemporaryImpairment
Accounts receivable, unrecoverable amount | 7,200,000 us-gaap_AllowanceForDoubtfulAccountsReceivable | 10,000,000 us-gaap_AllowanceForDoubtfulAccountsReceivable |
Allowance for straight line rent | 3,600,000 ddr_AllowanceForDoubtfulAccountsStraightLineRentReceivable | 3,900,000 ddr_AllowanceForDoubtfulAccountsStraightLineRentReceivable |
Straight line rent receivable, net | 63,800,000 us-gaap_DeferredRentReceivablesNet | 61,900,000 us-gaap_DeferredRentReceivablesNet |
Stock-based compensation cost recognized by the company | 9,100,000 us-gaap_AllocatedShareBasedCompensationExpense | 7,400,000 us-gaap_AllocatedShareBasedCompensationExpense | 6,400,000 us-gaap_AllocatedShareBasedCompensationExpense
Accelerated vesting of awards due to employee severance charges | $ 1,400,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost | $ 100,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost | $ 200,000 us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAcceleratedCompensationCost

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- Definition The reserve as of the balance sheet date to reduce the gross amount of straight-line receivables to estimated net realizable value. + References No definition available. + Details
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- Definition Costs that were capitalized to properties under development during the land development and construction period of a project, and costs that were capitalized for software development and implementation which are included in inventory. + References No definition available. + Details
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- Definition The sum of impairment charges from continuing operations and discontinued operations recognized in the income statement. + References No definition available. + Details
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- Definition Represents the expense recognized during the period arising from equity-based compensation arrangements (for example, shares of stock, unit, stock options or other equity instruments) with employees, directors and certain consultants qualifying for treatment as employees. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SAB TOPIC 14.F) -URI http://asc.fasb.org/extlink&oid=27013229&loc=d3e301413-122809 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1)(i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Staff Accounting Bulletin (SAB) -Number Topic 14 -Section F + Details
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- Definition The cumulative difference between the rental payments required by a lease agreement and the rental income or expense recognized on a straight-line basis, or other systematic and rational basis more representative of the time pattern in which use or benefit is granted or derived from the leased property, expected to be recognized in income or expense over the term of the leased property, by the lessor or lessee, respectively. Such receivable is reduced by allowances attributable to, for instance, credit risk associated with a lessee. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 210 -SubTopic 10 -Section S99 -Paragraph 1 -Subparagraph (SX 210.5-02.8) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 35 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=6453741&loc=d3e40879-112712 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 2 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39927-112707 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
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