XML 123 R107.htm IDEA: XBRL DOCUMENT
v3.8.0.1

Subsequent Events - Additional Information (Detail) |  | 1 Months Ended | 12 Months Ended
--- | --- | --- | ---
Dec. 14, 2017 Shoppingcenter | Feb. 28, 2018 USD ($) ShoppingCenter Option | Dec. 31, 2017 USD ($) | Dec. 31, 2016 USD ($) | Dec. 31, 2015 USD ($)
Subsequent Event [Line Items] |  |  |  |  |
Mortgage indebtedness |  |  | $ 641,082,000 | $ 982,509,000 |
Number of shopping centers the company intended to spinoff | Shoppingcenter | 50 |  |  |  |
Repayment of outstanding mortgage debt |  |  | 542,486,000 | 195,495,000 | $ 1,068,924,000
Debt instrument, tendered amount |  |  | 958,509,000 | 240,000,000 | $ 502,996,000
U.S. [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shopping centers the company intended to spinoff | Shoppingcenter | 38 |  |  |  |
Puerto Rico [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage indebtedness |  |  | 263,400,000 |  |
Number of shopping centers the company intended to spinoff | Shoppingcenter | 12 |  |  |  |
Mortgages indebtedness [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage indebtedness |  |  | $ 641,100,000 | $ 982,500,000 |
Unsecured Senior Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt Instrument Maturity Date, Start |  |  | 2018-07 |  |
Debt Instrument Maturity Date, End |  |  | 2027-06 |  |
Subsequent Event [Member] | Mortgages indebtedness [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Mortgage indebtedness |  | $ 1,350,000,000 |  |  |
Number of shopping centers the company intended to spinoff | ShoppingCenter |  | 50 |  |  |
Interest rate description |  | bears interest at an initial annual rate of one-month LIBOR plus 330 basis points |  |  |
Term loan maturity date |  | 2021-02 |  |  |
Debt instrument number of extension options | Option |  | 2 |  |  |
Debt instrument extension options maturity period |  | 1 year |  |  |
Repayment of outstanding mortgage debt |  | $ 452,500,000 |  |  |
Subsequent Event [Member] | Mortgages indebtedness [Member] | U.S. [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shopping centers the company intended to spinoff | ShoppingCenter |  | 38 |  |  |
Subsequent Event [Member] | Mortgages indebtedness [Member] | Puerto Rico [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Number of shopping centers the company intended to spinoff | ShoppingCenter |  | 12 |  |  |
Subsequent Event [Member] | Mortgages indebtedness [Member] | Interest rate cap [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Derivative, notional amount |  | $ 1,350,000,000 |  |  |
Derivative cap interest rate |  | 3.00% |  |  |
Subsequent Event [Member] | Mortgages indebtedness [Member] | LIBOR [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Specified spread line of credit facility |  | 3.30% |  |  |
Subsequent Event [Member] | Unsecured Senior Notes [Member] |  |  |  |  |
Subsequent Event [Line Items] |  |  |  |  |
Debt instrument, tendered amount |  | $ 856,500,000 |  |  |
Debt Instrument Maturity Date, Start |  | 2018-07 |  |  |
Debt Instrument Maturity Date, End |  | 2025-02 |  |  |

X
- Definition Debt instrument extension options maturity period. + References No definition available. + Details
Name: | ddr_DebtInstrumentExtensionOptionsMaturityPeriod
Namespace Prefix: | ddr_
Data Type: | xbrli:durationItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument maturity date range at end. + References No definition available. + Details
Name: | ddr_DebtInstrumentMaturityDateRangeAtEnd
Namespace Prefix: | ddr_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument maturity date range at start. + References No definition available. + Details
Name: | ddr_DebtInstrumentMaturityDateRangeAtStart
Namespace Prefix: | ddr_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument maturity month and year. + References No definition available. + Details
Name: | ddr_DebtInstrumentMaturityMonthAndYear
Namespace Prefix: | ddr_
Data Type: | xbrli:gYearMonthItemType
Balance Type: | na
Period Type: | duration

X
- Definition Debt instrument number of extension options. + References No definition available. + Details
Name: | ddr_DebtInstrumentNumberOfExtensionOptions
Namespace Prefix: | ddr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of shopping centers the entity intended to spinoff. + References No definition available. + Details
Name: | ddr_NumberOfShoppingCentersEntityIntendedToSpinoff
Namespace Prefix: | ddr_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | duration

X
- Definition Aggregate notional amount specified by the derivative(s). Expressed as an absolute value. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Article 12 -Section 13 -Sentence Column B + Details
Name: | invest_DerivativeNotionalAmount
Namespace Prefix: | invest_
Data Type: | xbrli:monetaryItemType
Balance Type: | na
Period Type: | instant

X
- Definition Percentage points added to the reference rate to compute the variable rate on the debt instrument. + References No definition available. + Details
Name: | us-gaap_DebtInstrumentBasisSpreadOnVariableRate1
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | duration

X
- Definition Description of the interest rate as being fixed or variable, and, if variable, identification of the index or rate on which the interest rate is based and the number of points or percentage added to that index or rate to set the rate, and other pertinent information, such as frequency of rate resets. + 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 210.5-02.22(a)(1)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
Name: | us-gaap_DebtInstrumentInterestRateTerms
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Cap rate on an interest rate derivative such as an interest rate cap or collar. If market rates exceed the cap rate, a payment or receipt is triggered on the contract. + References No definition available. + Details
Name: | us-gaap_DerivativeCapInterestRate
Namespace Prefix: | us-gaap_
Data Type: | num:percentItemType
Balance Type: | na
Period Type: | instant

X
- Definition Including the current and noncurrent portions, carrying value as of the balance sheet date of all notes and loans payable (with maturities initially due after one year or beyond the 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 S99 -Paragraph 1 -Subparagraph (SX 210.5-02(22)) -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 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03(16)) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03(a)(16)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
Name: | us-gaap_NotesAndLoansPayable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Definition The cash outflow for debt initially having maturity due after one year or beyond the normal operating cycle, if longer. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The cash outflow for a long-term debt where the holder has highest claim on the entity's asset in case of bankruptcy or liquidation during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 15 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3291-108585 + Details
Name: | us-gaap_RepaymentsOfSeniorDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Detail information of subsequent event by type. User is expected to use existing line items from elsewhere in the taxonomy as the primary line items for this disclosure, which is further associated with dimension and member elements pertaining to a subsequent event. + References No definition available. + Details
Name: | us-gaap_SubsequentEventLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_US
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_StatementGeographicalAxis=country_PR
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=us-gaap_MortgagesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_LongtermDebtTypeAxis=ddr_UnsecuredSeniorNotesMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_SubsequentEventTypeAxis=us-gaap_SubsequentEventMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_DerivativeInstrumentRiskAxis=us-gaap_InterestRateCapMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |

X
- Details
Name: | us-gaap_VariableRateAxis=us-gaap_LondonInterbankOfferedRateLIBORMember
Namespace Prefix: |
Data Type: | na
Balance Type: |
Period Type: |