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Note Receivable (Details) (USD $)				4 Months Ended	12 Months Ended	31 Months Ended		0 Months Ended
	Dec. 31, 2012 rooms	Dec. 31, 2011	May 24, 2010 rooms	Dec. 31, 2010 Allerton Loans [Member]	Dec. 31, 2012 Allerton Loans [Member]	Dec. 31, 2012 Allerton Loans [Member]	May 24, 2010 Allerton Loans [Member]	Jan. 18, 2013 Subsequent Event [Member] New Allerton Loans [Member]
Note Receivable (Textuals) [Abstract]
Principal amount of secured senior mortgage loan acquired							$ 69,000,000	$ 66,000,000
Amount paid on acquisition of senior mortgage loan				60,600,000
Number of rooms in senior loan secured facility (in rooms)	443		443
Blended interest rate on senior mortgage loan (as a percent)					LIBOR plus 692
Mortgage Loan Receivable Interest Rate Margin Above Libor (as a percent)		6.92%
Percentage points of default blended interest rate basis points					5.00%			5.50%
Mortgage Loans on Real Estate, Principal Amount of Delinquent Loans					69,000,000	69,000,000
Loans Receivable Non Performing Non Accrual of Interest					7,100,000	7,100,000
Proceeds from Interest Received					1,000,000	6,800,000
Other asset impairment charges					0
Mortgage Loans on Real Estate, Collections of Principal								$ 5,000,000
Mortgage Loans on Real Estate, Loan Term								4 years
Mortgage Loans on Real Estate, Extension Option Term								1 year

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Number of Rooms in hotel that secures a senior loan we own.

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The amount of principal collected on mortgage loans on real estate during the reporting period.

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Amount of the contractual principal due at the origination of the mortgage loan (face amount).

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