INVESTMENTS IN AND ADVANCES TO JOINT VENTURES - Condensed Combined Statements of Operations of Unconsolidated Joint Venture Investments (Parenthetical) (Detail) (USD $) In Millions, unless otherwise specified	9 Months Ended
	Sep. 30, 2011
Schedule of Equity Method Investments [Line Items]
Company's proportionate share of gain on disposition of assets by unconsolidated joint ventures	$ 10.5