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Acquisition (Details Textual) - Wehrenberg Theatres [Member] | 1 Months Ended | 12 Months Ended
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Dec. 16, 2016 USD ($) ft² | Dec. 29, 2016 USD ($)
Business Acquisition [Line Items] |  |
Business Acquisition Revenue Reported By Acquired Entity |  | $ 5,111,000
Business Acquisition Operating Income Reported By Acquired Entity |  | (450,000)
Area of Land | ft² | 84,000 |
Business Combination, Consideration Transferred | $ 65,000,000 |
Business Acquisition, Transaction Costs |  | 2,037,000
Business Acquisition, Pro Forma Revenue |  | $ 607,934,000

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