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Investments in Partnerships Dispositions (Details) - Springfield Park [Member] - USD ($)
$ in Millions
3 Months Ended
Jul. 02, 2015
Sep. 30, 2015
Jun. 30, 2015
Subsequent Event [Line Items]      
Mortgage Loans on Real Estate, Carrying Amount of Mortgages     $ 9.0
Equity Method Investment, Ownership Percentage     0.00%
Subsequent Event [Member]      
Subsequent Event [Line Items]      
Proceeds from Divestiture of Real Estate Partnership   $ 20.2  
Capitalization Rates 7.00%    
Equity Method Investment, Realized Gain (Loss) on Disposal   $ 12.0