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Favorable Lease Assets (Details) (USD $)	3 Months Ended
	Mar. 23, 2012	Mar. 25, 2011	Dec. 31, 2011
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	$ 43,054,000		$ 43,285,000
Favorable Lease Assets (Textuals) [Abstract]
Finite-lived intangible assets, amortization expense	200,000
Impairment of intangible assets, finite-lived	0	0
Boston Westin Waterfront Ground Lease [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	18,892,000		18,941,000
Favorable Lease Assets (Textuals) [Abstract]
Number of room hotels based on which estimated were made for rent (in rooms)	327
Boston Westin Waterfront - Lease Right [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	9,513,000		9,513,000
Boston Westin Waterfront - Lease Right [Member] | Minimum [Member]
Favorable Lease Assets (Textuals) [Abstract]
Number of room hotel for development for which favorable lease assets are owned (in rooms)	320
Boston Westin Waterfront - Lease Right [Member] | Maximum [Member]
Favorable Lease Assets (Textuals) [Abstract]
Number of room hotel for development for which favorable lease assets are owned (in rooms)	350
Minneapolis Hilton Ground Lease [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	5,967,000		5,985,000
Oak Brook Hills Marriot Resort Ground Lease [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	7,227,000		7,352,000
Radisson Lexington [Member]
Indefinite-lived Intangible Assets by Major Class [Line Items]
Carrying amount of the lease right	$ 1,455,000		$ 1,494,000

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Number of room hotels based on which estimated were made for rent.

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Aggregate amount of intangible asset amortization recognized as expense during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(2)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

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-Name Accounting Standards Codification

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The aggregate sum of gross carrying value of a major finite-lived intangible asset class, less accumulated amortization and any impairment charges. A major class is composed of intangible assets that can be grouped together because they are similar, either by their nature or by their use in the operations of a company.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 45

-Subparagraph a(1)

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The amount of impairment loss recognized in the period resulting from the write-down of the carrying amount of a finite-lived intangible asset to fair value.

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Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 142

-Paragraph 46

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.



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