Note Receivable (Details) (USD $) In Millions, unless otherwise specified	3 Months Ended	9 Months Ended	27 Months Ended
	Sep. 07, 2012	Sep. 07, 2012	Sep. 07, 2012	May 24, 2010
Note Receivable (Textuals) [Abstract]
Number of rooms in senior loan secured facility (in rooms)	443	443	443	443
Mortgage Loan Receivable Interest Rate Margin Above Libor (as a percent)	6.92%	6.92%	6.92%
Allerton Loans [Member]
Note Receivable (Textuals) [Abstract]
Mortgage Loans on Real Estate, Face Amount of Mortgages				$ 69.0
Blended interest rate on senior mortgage loan (as a percent)		LIBOR plus 692
Percentage points of default blended interest rate basis points (as a percent)		5.00%
Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans	69.0	69.0	69.0
Loans Receivable Non Performing Non Accrual of Interest	6.4	6.4	6.4
Proceeds from Interest Received		0.6	6.7
Other Asset Impairment Charges	$ 0