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Investments in and Advances to Joint Ventures - Condensed Combined Financial Information of Company's Unconsolidated Joint Venture Investments (Parenthetical) (Detail) (USD $)
Mar. 31, 2014
Dec. 31, 2013
Schedule Of Equity Method Investments [Line Items]    
Amounts receivable from joint ventures $ 4,400,000 $ 2,700,000
Unconsolidated Joint Ventures [Member]
    
Schedule Of Equity Method Investments [Line Items]    
Cash and restricted cash 276,806,000 282,866,000
Sonae Sierra Brazil [Member] | Unconsolidated Joint Ventures [Member]
    
Schedule Of Equity Method Investments [Line Items]    
Cash and restricted cash $ 180,300,000 $ 191,900,000