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Investments in and Advances to Joint Ventures - Additional Information (Detail) (USD $) | 12 Months Ended | 36 Months Ended | 3 Months Ended | 6 Months Ended | 12 Months Ended |  | 12 Months Ended
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Dec. 31, 2012 Assets Joint_Ventures Property | Dec. 31, 2011 Property | Dec. 31, 2010 Property | Dec. 31, 2012 Property | Jun. 30, 2012 Blackstone Group [Member] Store sqft | Jun. 30, 2012 Blackstone Group [Member] Store sqft | Dec. 31, 2012 Blackstone Group [Member] Assets | Dec. 31, 2012 DDRTC Joint Venture [Member] | Dec. 31, 2012 Sonae Sierra Brasil BV SARL [Member] | Dec. 31, 2011 Sonae Sierra Brasil BV SARL [Member] | Dec. 31, 2010 Sonae Sierra Brasil BV SARL [Member] | Dec. 31, 2012 Sonae Sierra Brasil BV SARL [Member] DDR [Member] Property | Dec. 31, 2012 Sonae Sierra Brasil BV SARL [Member] Patio Brasil [Member] | Dec. 31, 2012 Sonae Sierra Brasil BV SARL [Member] Shopping Penha [Member] | Dec. 31, 2012 Sonae Sierra Brasil BV SARL [Member] Tivoli Shopping [Member] | Dec. 31, 2012 Coventry II Joint Ventures [Member] | Dec. 31, 2012 Richmond Hill, Canada [Member]
Schedule Of Equity Method Investments Joint Ventures [Line Items] |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of shopping centers |  |  |  |  | 46 | 46 |  |  |  |  |  |  |  |  |  |  |
Number of square feet of gross leasable area of shopping centers |  |  |  |  | 10,600,000 | 10,600,000 |  |  |  |  |  |  |  |  |  |  |
Ownership interest of joint venture partner |  |  |  |  | 95.00% | 95.00% |  |  |  |  |  |  |  |  |  |  |
Value of shopping centers |  |  |  |  | $ 1,400,000,000 | $ 1,400,000,000 |  |  |  |  |  |  |  |  |  |  |
Ownership interest in joint venture |  |  |  |  | 5.00% | 5.00% |  | 15.00% | 33.30% |  |  |  |  |  |  |  | 50.00%
Debt assumed |  |  |  |  | 635,600,000 | 635,600,000 |  |  |  |  |  |  |  |  |  |  |
Debt | 1,674,141,000 | 1,822,445,000 |  | 1,674,141,000 | 320,000,000 | 320,000,000 |  | 540,000,000 |  |  |  |  |  |  |  |  |
Equity funding in Joint Ventures |  |  |  |  | 17,000,000 | 17,000,000 |  |  |  |  |  |  |  |  |  |  |
Redeemable preferred equity | 154,600,000 |  |  | 154,600,000 | 150,000,000 | 150,000,000 |  |  |  |  |  |  |  |  |  |  |
Fixed distribution rate |  |  |  |  | 10.00% | 10.00% |  |  |  |  |  |  |  |  |  |  |
Debt Maturity Term |  |  |  |  | Three-year term and two one-year extension options | Three-year term and two one-year extension options |  | Three-year term with two one-year options |  |  |  |  |  |  |  |  |
Percentage deferral of fixed distribution at joint venture partner's option |  |  |  |  | 20.00% | 20.00% |  |  |  |  |  |  |  |  |  |  |
Redemption of Preferred Equity in part at Joint Venture Partner's option |  |  |  |  |  |  | After 18 months |  |  |  |  |  |  |  |  |  |
Redemption of Preferred Equity in full at Joint Venture Partner's option |  |  |  |  |  |  | After two years |  |  |  |  |  |  |  |  |  |
Redemption of Preferred Equity in full at Company's Option |  |  |  |  |  |  | After seven years |  |  |  |  |  |  |  |  |  |
Number of assets included in right of first offer |  |  |  |  |  |  | 10 |  |  |  |  |  |  |  |  |  |
Additional interest acquired by joint venture |  |  |  |  |  |  |  |  | 30.00% |  |  |  |  |  |  |  |
Percentage of shares exchanged for acquisition |  |  |  |  |  |  |  |  | 22.00% |  |  |  |  |  |  |  |
Amount paid for acquisition |  |  |  |  |  |  |  |  | 29,000,000 |  |  |  |  |  |  |  |
Larger interest in shopping center after asset swap |  |  |  |  |  |  |  |  | 60.00% |  |  |  |  |  |  |  |
Smaller interest in shopping center after asset swap |  |  |  |  |  |  |  |  | 51.00% |  |  |  |  |  |  |  |
Gain on partial sale of ownership interest |  |  |  |  |  |  |  |  | 2,800,000 |  |  |  |  |  |  |  |
Weighted-average exchange rate used for recording the equity in net income |  |  |  |  |  |  |  |  | 1.94 | 1.67 | 1.77 |  |  |  |  |  |
Sale of ownership interest |  |  |  |  |  |  |  |  |  |  |  |  | 10.00% | 51.00% | 30.00% |  |
Sales price |  |  |  |  |  |  |  |  | 103,000,000 |  |  | 34,000,000 |  |  |  |  |
Asset classified as discontinued operations |  |  |  | 120 |  |  |  |  |  |  |  | 1 |  |  |  |  |
Managed Assets |  |  |  |  |  |  |  |  |  |  |  | 2 |  |  |  |  |
Impairment of joint venture investments | 26,671,000 | 2,921,000 | 227,000 |  |  |  |  |  |  |  |  |  |  |  |  | 26,100,000 |
Carrying value of investment |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 3,600,000 |
Gain/Loss on Change in Control and sale of interests |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 7,500,000 | (9,300,000)
Purchase price of acquired entities | 339,400,000 |  |  | 339,400,000 |  |  |  |  |  |  |  |  |  |  |  |  |
Number of joint ventures acquired | 3 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Number of joint venture assets acquired | 5 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Aggregate Gain | 80,000,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Repaid mortgage debt | 246,200,000 |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |
Company ownership interest remaining |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | 10.00%
Refinancing of Mortgage Debt |  |  |  |  |  |  |  | 698,700,000 |  |  |  |  |  |  |  |  |
Repayments of long term debt |  |  |  |  |  |  |  | 76,000,000 |  |  |  |  |  |  |  |  |
Company's share of repaid mortgage debt |  |  |  |  |  |  |  | 11,400,000 |  |  |  |  |  |  |  |  |
Percentage of interest |  |  |  |  |  |  |  | 4.63% |  |  |  |  |  |  |  |  |
Mortgage and other secured indebtedness | 1,274,141,000 | 1,322,445,000 |  | 1,274,141,000 |  |  |  | 190,000,000 |  |  |  |  |  |  |  |  |
Revolving credit facility refinanced |  |  |  |  |  |  |  | 158,700,000 |  |  |  |  |  |  |  |  |
Mortgage balance outstanding |  |  |  |  |  |  |  | $ 214,500,000 |  |  |  |  |  |  |  |  |
Specified spread term loan facility libor rate |  |  |  |  |  |  |  | 2.75% |  |  |  |  |  |  |  |  |
Number of Properties Sold | 7 | 8 | 37 | 7 |  |  |  |  |  |  |  |  |  |  |  |  |

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- Definition Aggregate carrying amount, as of the balance sheet date, of investments and other noncurrent assets not separately disclosed in the balance sheet due to materiality considerations. Noncurrent assets are expected to be realized or consumed after one year (or the normal operating cycle, if longer). + References No definition available. + Details
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- Definition Including the current and noncurrent portions, aggregate carrying value as of the balance sheet date of 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 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 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16(a)(2)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition Including both current and noncurrent portions, carrying amount as of the balance sheet date of other forms of debt not elsewhere specified in the taxonomy with initial maturities beyond 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 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 SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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- Definition The cash outflow associated with the acquisition of a controlling interest in another entity or an entity that is related to it but not strictly controlled (for example, an unconsolidated subsidiary, affiliate, joint venture or equity method investment). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Investing Activities -URI http://asc.fasb.org/extlink&oid=6516133 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 13 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3213-108585 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 15, 17 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- Definition The percentage rate used to calculate dividend payments on preferred stock. + References No definition available. + Details
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- Definition As of the reporting date, the carrying amount of noncontrolling interests which are redeemable by the (parent) entity (1) at a fixed or determinable price on a fixed or determinable date, (2) at the option of the holder of the noncontrolling interest, or (3) upon occurrence of an event that is not solely within the control of the (parent) entity. The noncontrolling interest holder's ownership (or holders' ownership) may be in the form of preferred shares (regardless of class), preferred partnership units (regardless of class), preferential membership interests, or any other form of preferred equity regardless of investee entity legal form. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 14 -URI http://asc.fasb.org/extlink&oid=14643745&loc=SL6540498-122764 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 43 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (12)(c) -URI http://asc.fasb.org/extlink&oid=14643745&loc=SL6540498-122764 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number D-98 -Paragraph 43 -Subparagraph c -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph (16)(c) -URI http://asc.fasb.org/extlink&oid=14643745&loc=SL6540498-122764 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 480 -SubTopic 10 -Section S99 -Paragraph 3A -Subparagraph 15 -URI http://asc.fasb.org/extlink&oid=14643745&loc=SL6540498-122764 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 27 -Subparagraph c -Appendix A + Details
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- Definition The cash outflow to pay off an obligation from a contractual arrangement with the lender, including letter of credit, standby letter of credit and revolving credit arrangements, under which borrowings can be made up to a specific amount at any point in time with either short term or long term maturity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: 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=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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- 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 Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 18 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Glossary Financing Activities -URI http://asc.fasb.org/extlink&oid=6513228 Reference 3: 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=6943989&loc=d3e3291-108585 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 95 -Paragraph 20 -Subparagraph b -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
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