XML 59 R48.htm IDEA: XBRL DOCUMENT
v3.5.0.2

Share-Based Compensation Plan - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions |  | 9 Months Ended
--- | --- | ---
Feb. 09, 2016 | Sep. 30, 2016
Class Of Stock [Line Items] |  |
Expected vesting percentage |  | 20.00%
Performance Awards [Member] |  |
Class Of Stock [Line Items] |  |
Share price for vesting | $ 19.58 |
Performance Awards [Member] | Minimum [Member] |  |
Class Of Stock [Line Items] |  |
Aggregate percentage of performance awards | 1.4909% |
2016 VSEP [Member] |  |
Class Of Stock [Line Items] |  |
Compensation fully earned and vested description |  | Awards made under the 2016 VSEP, if earned, may result in the granting of common shares of DDR and time-vested restricted stock units (“RSUs”) to participants on future measurement dates based on a performance period beginning on February 9, 2016, and ending on December 31, 2018 (the “Performance Period”). As a result, in general, the total compensation available to participants under the 2016 VSEP, if any, will be fully earned only after approximately seven years (the Performance Period and the final four-year time-based vesting period for RSUs).
Vesting period | 7 years |
Settlement percentage of common shares | 20.00% |
Settlement percentage of restricted stock units | 80.00% |
Total unrecognized compensation cost granted |  | $ 3.6
Term of recognition of unrecognized stock option compensation cost |  | 6 years 3 months
2016 VSEP [Member] | Minimum [Member] |  |
Class Of Stock [Line Items] |  |
Share price for vesting | $ 17.41 |
2016 VSEP [Member] | Maximum [Member] |  |
Class Of Stock [Line Items] |  |
Share price for vesting | $ 25.35 |
2016 VSEP [Member] | Time-based Vesting [Member] |  |
Class Of Stock [Line Items] |  |
Vesting period | 4 years |

X
- Definition Percentage of performance award grant in period. + References No definition available. + Details
Name: | ddr_PercentageOfPerformanceAwardGrantInPeriod
Namespace Prefix: | ddr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Settlement percentage of common shares. + References No definition available. + Details
Name: | ddr_SettlementPercentageOfCommonShares
Namespace Prefix: | ddr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Settlement percentage of restricted stock units. + References No definition available. + Details
Name: | ddr_SettlementPercentageOfRestrictedStockUnits
Namespace Prefix: | ddr_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Share-based compensation arrangement by share-based payment award, vesting share price. + References No definition available. + Details
Name: | ddr_ShareBasedCompensationArrangementByShareBasedPaymentAwardVestingSharePrice
Namespace Prefix: | ddr_
Data Type: | num:perShareItemType
Balance Type: | na
Period Type: | instant

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_ClassOfStockLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Unrecognized cost of unvested share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognized
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Weighted average period over which unrecognized compensation is expected to be recognized for equity-based compensation plans, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (i) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_EmployeeServiceShareBasedCompensationNonvestedAwardsTotalCompensationCostNotYetRecognizedPeriodForRecognition1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Period which an employee's right to exercise an award is no longer contingent on satisfaction of either a service condition, market condition or a performance condition, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardAwardVestingPeriod1
Namespace Prefix: | us-gaap_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition General descriptive information regarding an arrangement under which employees and directors receive: (a) awards of equity shares, equity share options, or other equity instruments; or (b) the entity incurs liabilities to them: (1) in amounts based, at least in part, on the price of the entity's shares or other equity instruments; or (2) that require or may require settlement by issuance of the entity's shares. Such an arrangement is usually provided to employees and directors to compensate them, provide performance incentives to them, and to attract or retain their services. May also include pertinent information particular to a plan that is not elsewhere specified in the taxonomy. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5047-113901 + Details
Name: | us-gaap_ShareBasedCompensationArrangementByShareBasedPaymentAwardDescription
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Percentage of vesting of share-based compensation awards. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 718 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (a)(1) -URI http://asc.fasb.org/extlink&oid=6415400&loc=d3e5070-113901 + Details
Name: | us-gaap_SharebasedCompensationArrangementBySharebasedPaymentAwardAwardVestingRightsPercentage
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_AwardTypeAxis=ddr_PerformanceAwardsMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MinimumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_PlanNameAxis=ddr_TwoThousandAndSixteenValueSharingEquityProgramMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_RangeAxis=us-gaap_MaximumMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_AwardTypeAxis=ddr_AdditionalVestingMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |