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Commitments and Contingencies - Additional Information (Detail) (USD $) In Millions, unless otherwise specified | 3 Months Ended |  |
--- | --- | --- | ---
Mar. 31, 2013 Property | Mar. 31, 2013 Oxford [Member] | Jan. 23, 2013 Oxford [Member]
Contingencies And Commitments [Line Items] |  |  |
Number of existing retail properties | 10 |  |
Minimum amount of compensatory and consequential damages | Not less than $500 million |  |
Amount transferred to pay vendors pursuant to an agreement |  |  | $ 11
Unasserted claim under agreement |  | $ 5 |

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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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