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Non-controlling Interests (Components Of Income Attributable To Non-controlling Interest) (Details) - USD ($) $ in Thousands | 12 Months Ended
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Dec. 31, 2018 | Dec. 31, 2017 | Dec. 31, 2016
Noncontrolling Interest [Line Items] |  |  |  |
Net income attributable to noncontrolling interests in consolidated subsidiaries | $ 132 | $ 11 | $ 14 | [1]
Australian Country Cinemas, Pty Ltd [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income attributable to noncontrolling interests in consolidated subsidiaries | 157 | 164 | 140 |
Sutton Hill Properties, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income attributable to noncontrolling interests in consolidated subsidiaries | 31 | (108) | (68) |
Shadow View Land And Farming, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income attributable to noncontrolling interests in consolidated subsidiaries | $ (56) | $ (45) | $ (58) |
[1] | Certain prior year balances have been reclassified to conform to the 2017 presentation (see Note 2 - Summary of Significant Accounting Policies - Reclassifications).

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