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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 Property
Contingencies And Commitments [Line Items] |
Number of existing retail properties | 10
Minimum amount of compensatory and consequential damages | Not less than $500 million
Aggregate amount related to construction of shopping centers | $ 34.9
Outstanding letters of credit | 44.4
Capital associated with Amount outstanding to the development of projects | 7.6
Priority return on capital advances | 8.50%
Affiliate debt guarantee | 15.4
Annual base rental income for various affiliates | $ 2.2
Long-term ground leases expiration period | 2070
Minimum period space in shopping centers leased | 1 month
Maximum period space in shopping centers leased | 30 years
Minimum [Member] |
Contingencies And Commitments [Line Items] |
Construction contracts due | 12 months
Maximum [Member] |
Contingencies And Commitments [Line Items] |
Construction contracts due | 36 months

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- Definition Existing or proposed retail properties that were acquired through various joint ventures with Coventry Real Estate Fund II, LLC and Coventry Fund II Parallel Fund LLC, excluding former Service Merchandise locations. + References No definition available. + Details
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