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Investments in and Advances to Joint Venture - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Parenthetical) (Detail) (USD $) |  |  |  |  | 12 Months Ended |  |
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Dec. 31, 2013 | Dec. 31, 2012 | Dec. 31, 2013 Unconsolidated Joint Ventures [Member] | Dec. 31, 2012 Unconsolidated Joint Ventures [Member] | Dec. 31, 2013 Assets Acquired [Member] BRE DDR Retail Holdings I [Member] Assets | Dec. 31, 2013 Sonae Sierra Brasil [Member] Unconsolidated Joint Ventures [Member] | Dec. 31, 2012 Sonae Sierra Brasil [Member] Unconsolidated Joint Ventures [Member]
Schedule of Equity Method Investments [Line Items] |  |  |  |  |  |  |
Number of assets acquired |  |  |  |  | 30 |  |
Cash and restricted cash |  |  | $ 282,866,000 | $ 467,200,000 |  | $ 191,900,000 | $ 347,900,000
Amounts receivable from joint ventures | $ 2,700,000 | $ 34,300,000 |  |  |  |  |

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