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Acquisitions - Summary of Acquired Shopping Centers (Detail) (USD $) | 9 Months Ended
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Sep. 30, 2013 | Sep. 30, 2012
Business Acquisition [Line Items] |  |
Face Value of Mortgage Debt Assumed |  | $ 246,200,000
Orlando, FL and Atlanta, GA [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition date of shopping centers | July 2013 |
Gross Purchase Price | 258,500,000 |
Face Value of Mortgage Debt Assumed | 139,400,000 |
Parcels Adjacent to Existing Shopping Centers [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition date of shopping centers | June 2013 |
Gross Purchase Price | 11,700,000 |
Face Value of Mortgage Debt Assumed |  |
Tampa, FL, Atlanta, GA, Newport News, VA and Richmond, VA (2 assets) [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition date of shopping centers | April 2013 |
Gross Purchase Price | 110,500,000 |
Face Value of Mortgage Debt Assumed |  |
Dallas, TX [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition date of shopping centers | March 2013 |
Gross Purchase Price | 40,300,000 |
Face Value of Mortgage Debt Assumed |  |
Oakland, CA [Member] |  |
Business Acquisition [Line Items] |  |
Acquisition date of shopping centers | February 2013 |
Gross Purchase Price | 41,100,000 |
Face Value of Mortgage Debt Assumed |  |

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- Definition Business acquisitions, cost of acquired entity, purchase price gross. + References No definition available. + 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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