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Non-controlling Interests (Components Of Income Attributable To Non-controlling Interest) (Details) - USD ($) $ in Thousands | 3 Months Ended | 6 Months Ended
--- | --- | ---
Jun. 30, 2023 | Jun. 30, 2022 | Jun. 30, 2023 | Jun. 30, 2022
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ (83) | $ (7) | $ (296) | $ (105)
Australian Country Cinemas, Pty Ltd [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | 25 | 72 | 35 | 62
Shadow View Land And Farming, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries |  |  |  | (1)
Sutton Hill Properties, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ (108) | $ (79) | $ (331) | $ (166)

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