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Acquisitions - Additional Information (Detail) (USD $) Share data in Millions, unless otherwise specified | 12 Months Ended
--- | ---
Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2011
Acquisition Activity [Line Items] |  |  |
Acquisition costs related to assets | $ 3,300,000 |  |
Ownership interest acquired cash paid | 857,219,000 | 602,297,000 |
Preferred equity and Mezzanine loan repaid | 160,123,000 | 0 |
Aggregate gain on change in control of interests | 19,900,000 | 80,000,000 |
Revenues from the date of acquisition | 62,600,000 | 25,800,000 | 10,300,000
Senior Unsecured Notes due May 2023 [Member] |  |  |
Acquisition Activity [Line Items] |  |  |
Interest rate of Notes | 3.375% |  |
Notes maturity date | May 15, 2023 |  |
Senior Unsecured Notes due January 2021 [Member] |  |  |
Acquisition Activity [Line Items] |  |  |
Interest rate of Notes | 3.50% |  |
Notes maturity date | Jan. 15, 2021 |  |
Blackstone [Member] |  |  |
Acquisition Activity [Line Items] |  |  |
Number of power centers acquired | 30 |  |
Total transaction value | 1,550,000,000 |  |
Ownership interest acquired cash paid | 565,600,000 |  |
Ownership interest of joint venture partner | 95.00% |  |
Debt assumed | 792,900,000 |  |
Mortgage debt assumed repaid at closing | 139,000,000 |  |
Mortgage debt assumed repaid | 256,000,000 |  |
Preferred equity and Mezzanine loan repaid | 160,100,000 |  |
Aggregate gain on change in control of interests | $ 18,800,000 |  |
Sale of common shares | 39.1 |  |
Ownership interest percentage | 100.00% |  |

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- Details
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- Definition Acquisition of joint venture partners ownership interest in shopping centers. + References No definition available. + Details
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- Definition Aggregate Ownership Interest Percentage In Previous Joint Venture + References No definition available. + Details
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- Definition Mortgage Debt Assumed Repaid + References No definition available. + Details
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- Definition Mortgage debt assumed repaid at closing. + References No definition available. + Details
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- Definition Ownership interest of joint venture partner. + References No definition available. + Details
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- Definition Preferred equity and mezzanine loan repaid. + References No definition available. + Details
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- Definition Value of transaction. + References No definition available. + Details
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- Definition This element represents acquisition-related costs incurred to effect a business combination which costs have been expensed during the period. Such costs include finder's fees; advisory, legal, accounting, valuation, and other professional or consulting fees; general administrative costs, including the costs of maintaining an internal acquisitions department; and may include costs of registering and issuing debt and equity securities. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 25 -Paragraph 23 -URI http://asc.fasb.org/extlink&oid=21917927&loc=d3e1043-128460 + Details
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- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition In a business combination achieved in stages, this element represents the amount of gain recognized by the entity as a result of remeasuring to fair value the equity interest in the acquiree it held before the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (g)(2) -URI http://asc.fasb.org/extlink&oid=25497992&loc=d3e1392-128463 + Details
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- Definition Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 22 -Article 5 Reference 2: 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)(2)) -URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682 + Details
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- Definition The number of issuer's shares to which the forward contract is indexed. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 815 -SubTopic 40 -Section 50 -Paragraph 5 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=6445032&loc=d3e90205-114008 + Details
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- Definition The interest rate applicable to the portion of the carrying amount of long-term borrowings outstanding as of the balance sheet date, including current maturities, which accrues interest at a set, unchanging rate. + 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
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- Definition The amount of debt that an Entity assumes in acquiring a business or in consideration for an asset received in a noncash (or part noncash) acquisition. Noncash is defined as transactions during a period that affect recognized assets or liabilities but that do not result in cash receipts or cash payments in the period. "Part noncash" refers to that portion of the transaction not resulting in cash receipts or cash payments in the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4332-108586 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 4 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4313-108586 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6367179&loc=d3e4304-108586 + Details
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- Definition The cash outflow associated with the acquisition of business during the period. The cash portion only of the acquisition price. + 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=31042434&loc=d3e3213-108585 + Details
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