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Asset Sales (Details Textual) - USD ($) | 1 Months Ended | 3 Months Ended | 7 Months Ended | 12 Months Ended |
--- | --- | --- | --- | --- | ---
Oct. 16, 2015 | Dec. 28, 2017 | Dec. 31, 2015 | Dec. 25, 2014 | Dec. 28, 2017 | Dec. 29, 2016 | Dec. 31, 2015 | May 28, 2015 | Oct. 20, 2017
Asset Sales [Line Items] |  |  |  |  |  |  |  |  |
Gain (loss) on disposition of property, equipment and other assets |  |  | $ (490,000) | $ (719,000) | $ 3,981,000 | $ (844,000) | $ (1,233,000) | $ (1,463,000) |
Hotel Phillips Revenues |  |  | 3,925,000 |  |  |  |  | 9,736,000 |
Hotel Phillips Operating Income (Loss) |  |  | 291,000 |  |  |  |  | 739,000 |
Noncontrolling Interest, Ownership Percentage by Noncontrolling Owners |  |  |  |  |  |  |  |  | 11.00%
Equity Method Investment, Realized Gain (Loss) on Disposal |  | $ 4,875,000 |  |  |  |  |  |  |
Proceeds From Sale Of Property Plant and Equipment |  |  | 13,977,000 |  | $ 4,524,000 | $ 1,560,000 |  | $ 226,000 |
Hotel Phillips [Member] |  |  |  |  |  |  |  |  |
Asset Sales [Line Items] |  |  |  |  |  |  |  |  |
Gain (loss) on disposition of property, equipment and other assets |  |  | $ (70,000) |  |  |  |  |  |
Gross Proceeds Sale Of Property Plant And Equipment | $ 13,500,000 |  |  |  |  |  |  |  |
Proceeds From Sale Of Property Plant and Equipment | $ 13,100,000 |  |  |  |  |  |  |  |

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- Definition Amount of gain (loss) on sale or disposal of property, plant and equipment assets, including oil and gas property and timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3602-108585 + Details
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