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Acquisitions - Schedule of Acquisition Cost of Shopping Centers (Detail) (USD $) In Thousands, unless otherwise specified | 6 Months Ended
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Jun. 30, 2013
Shopping centers acquired [Member] |
Business Acquisition [Line Items] |
Land | $ 31,120
Buildings | 148,566
Tenant improvements | 4,155
Assets acquired | 212,503
Less: Below-market leases | (8,949)
Net assets acquired | 203,554
Lease origination costs and fair market value of leases, Acquired-in-Place [Member] |
Business Acquisition [Line Items] |
Weighted Average Amortization Period | 6 years 3 months 18 days
Lease origination costs and fair market value of leases, Acquired-in-Place [Member] | Shopping centers acquired [Member] |
Business Acquisition [Line Items] |
Intangible assets acquired | 18,184
Tenant relations [Member] |
Business Acquisition [Line Items] |
Weighted Average Amortization Period | 5 years 7 months 6 days
Tenant relations [Member] | Shopping centers acquired [Member] |
Business Acquisition [Line Items] |
Intangible assets acquired | $ 10,478
Below-market leases [Member] |
Business Acquisition [Line Items] |
Weighted Average Amortization Period | 18 years 6 months

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- Definition Weighted average amortization period of finite-lived intangible assets acquired either individually or as part of a group of assets, 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 350 -SubTopic 30 -Section 50 -Paragraph 1 -Subparagraph (a)(3) -URI http://asc.fasb.org/extlink&oid=26713463&loc=d3e16265-109275 + Details
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- Definition Amount of assets acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of facility held for productive use including, but not limited to, office, production, storage and distribution facilities, acquired at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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- Definition Amount of real estate acquired, at the acquisition date. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6910749&loc=d3e4845-128472 + Details
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