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Commitments and Contingencies (Ground Leases) (Details) (USD $) In Millions, unless otherwise specified | 12 Months Ended |  | 12 Months Ended |  | 12 Months Ended
--- | --- | --- | --- | --- | ---
Dec. 31, 2013 Hotel | Dec. 31, 2012 | Dec. 31, 2011 | Dec. 31, 2013 Bethesda Marriott Suites [Member] Number_of_renewal_terms | Dec. 31, 2013 Courtyard Manhattan / Fifth Avenue [Member] Number_of_renewal_terms | Dec. 31, 2009 Marriott Salt Lake City Downtown [Member] | Dec. 31, 2013 Marriott Salt Lake City Downtown [Member] Ground_leases | Dec. 31, 2013 Boston Westin Waterfront [Member] Number_of_renewal_terms | Dec. 31, 2013 Hilton Minneapolis [Member] Number_of_renewal_terms | Dec. 31, 2013 Oak Brook Hills Marriot Resort [Member] acre | Dec. 31, 2013 Renaissance Worthington [Member] Number_of_renewal_terms Ground_leases
Real Estate Properties [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of properties subject to ground leases (in hotels) | 5 |  |  |  |  |  | 2 |  |  |  |
Number of renewal periods (in ones) |  |  |  | 0 | 1 |  |  | 0 | 0 |  | 3
Ground leases renewal option (in years) |  |  |  |  | 49 years |  |  |  |  |  | 15 years
Interest in land under hotel (as a percent of ownership) |  |  |  |  |  | 21.00% |  |  |  |  |
Ground leases (in acres) |  |  |  |  |  |  |  |  |  | 110 |
Percentage of land on which the parking garage is constructed |  |  |  |  |  |  |  |  |  |  | 25.00%
Parking garages subject to ground leases |  |  |  |  |  |  |  |  |  |  | 3
Ground rent expense | $ 15.0 | $ 14.6 | $ 14.2 |  |  |  |  |  |  |  |
Cash paid for ground rent | $ 8.5 | $ 8.2 | $ 7.3 |  |  |  |  |  |  |  |

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- Definition ground leases acres + References No definition available. + Details
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- Definition Amount of rent expense incurred for leased assets, including but not limited to, furniture and equipment, that is not directly or indirectly associated with the manufacture, sale or creation of a product or product line. + References No definition available. + Details
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- Definition Cash payments to lessor's for use of assets under operating leases. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 25 -Subparagraph (g) -URI http://asc.fasb.org/extlink&oid=31042434&loc=d3e3536-108585 + Details
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