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(Debt, Schedule of Debt Covenants) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012
Line Of Credit Facility Covenant Actual Results [Member] |  |
Line of Credit Facility [Line Items] |  |
Line Of Credit Facility Maximum Leverage Ratio Covenant | 0.420 | [1]
Line Of Credit Facility Minimum Fixed Charge Coverage Ratio Covenant | 2.47x | [2]
Line Of Credit Facility Minimum Tangible Net Worth | $ 2,216 | [3]
Secured Recourse Indebtedness Ratio | 37.00% | [4]
Debt Instrument, Secured Recourse Indebtedness Ratio After December 31st, 2013 [Member] |  |
Line of Credit Facility [Line Items] |  |
Secured Recourse Indebtedness Ratio | 45.00% | [4]
Line Of Credit Facility Covenant [Member] |  |
Line of Credit Facility [Line Items] |  |
Line Of Credit Facility Maximum Leverage Ratio Covenant | 0.60 | [1]
Line Of Credit Facility Minimum Fixed Charge Coverage Ratio Covenant | 1.50x | [2]
Line Of Credit Facility Minimum Tangible Net Worth | $ 1,857 | [3]
Secured Recourse Indebtedness Ratio | 50.00% | [4]
[1] | (1)Leverage ratio is total indebtedness, as defined in the credit agreement and which includes our commitment on the Times Square development hotel, divided by total asset value, which is defined in the credit agreement as (a) total cash and cash equivalents plus (b) the value of our owned hotels based on hotel net operating income divided by a defined capitalization rate, and (c) the book value of the Allerton l
[2] | Fixed charge coverage ratio is Adjusted EBITDA, which is defined in the credit agreement as EBITDA less FF&E reserves, for the most recently ending 12 fiscal months, to fixed charges, which is defined in the credit agreement as interest expense, all regularly scheduled principal payments and payments on capitalized lease obligations, for the same most recently ending 12 fiscal month peri
[3] | Tangible net worth, as defined in the credit agreement, is (i) total gross book value of all assets, exclusive of depreciation and amortization, less intangible assets, total indebtedness, and all other liabilities, plus (ii) 75% of net proceeds from future equity issuanc
[4] | Our secured recourse indebtedness must be less than 45% of Total Asset Value, as defined in the credit agreement, after December 31, 2013.

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