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Non-controlling Interests (Components Of Income Attributable To Non-controlling Interests) (Details) - USD ($) $ in Thousands | 3 Months Ended
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Mar. 31, 2026 | Mar. 31, 2025
Noncontrolling Interest [Line Items] |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ 13 | $ (191)
Australian Country Cinemas, Pty Ltd [Member] |  |
Noncontrolling Interest [Line Items] |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries | $ 13 | (15)
Sutton Hill Properties, LLC [Member] |  |
Noncontrolling Interest [Line Items] |  |
Net income (loss) attributable to noncontrolling interests in consolidated subsidiaries |  | $ (176)

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