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Non-controlling Interests (Components Of Income Attributable To Non-controlling Interest) (Details) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2023 | Sep. 30, 2022 | Sep. 30, 2023 | Sep. 30, 2022
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ (65) | $ (122) | $ (361) | $ (228)
Australian Country Cinemas, Pty Ltd [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | 25 | 15 | 60 | 76
Shadow View Land And Farming, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | 1 | (3) | 1 | (4)
Sutton Hill Properties, LLC [Member] |  |  |  |
Noncontrolling Interest [Line Items] |  |  |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ (91) | $ (134) | $ (422) | $ (300)

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