Quarterly report pursuant to Section 13 or 15(d)

Basis of Presentation (Details)

v2.4.0.8
Basis of Presentation (Details) (USD $)
In Millions, unless otherwise specified
Sep. 30, 2014
Dec. 31, 2013
Schedule of Equity Method Investments [Line Items]    
Equity method investments $ 249.7 $ 140.2
Westgate [Member]
   
Schedule of Equity Method Investments [Line Items]    
Equity method investments 14.8 16.1
Savannah [Member]
   
Schedule of Equity Method Investments [Line Items]    
Equity method investments $ 46.1 [1]  
[1] Based on capital contribution and distribution provisions in the joint venture agreement, we expect our economic interest in the venture's cash flow to be greater than the ownership percentage indicated above, which in this case, states our legal interest in this venture. Our economic interest may fluctuate based on a number of factors, including mortgage financing, partnership capital contributions and distributions, and proceeds from gains or losses of asset sales.