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Summary Of Significant Accounting Policies (Narrative) (Details) | 12 Months Ended
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Dec. 31, 2024 USD ($) a segment | Dec. 31, 2023 USD ($) | Dec. 31, 2022 USD ($)
Summary Of Significant Accounting Policies [Line Items] |  |  |
Restricted cash, Current | $ 2,735,000 | $ 2,535,000 | $ 5,032,000
Number of operating segments | segment | 2 |  |
Derivative position | $ (137,000) |  |
Impairment of long-lived assets | 0 | 0 | 1,549,000
Goodwill impairment | $ 0 | 0 | 0
Remaining lease term | 45 years |  |
Advertising expense | $ 1,700,000 | 1,600,000 | 1,400,000
Gains/(losses) on the settlement of litigation | $ 450,000 | $ (265,000) | $ 40,000
Mt. Gravatt [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage | 33.30% |  |
Rialto Cinemas [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage | 50.00% |  |
Australian Country Cinemas, Pty Ltd [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage by parent | 75.00% |  |
Sutton Hill Properties, LLC [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage by parent | 75.00% |  |
Shadow View Land And Farming, LLC [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage by parent | 50.00% |  |
Area of property | a | 202 |  |
Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease term | 1 year |  |
Minimum [Member] | Unconsolidated Joint ventures [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage | 20.00% |  |
Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease term | 20 years |  |
Maximum [Member] | Unconsolidated Joint ventures [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Ownership percentage | 50.00% |  |
Real Estate [Member] | Minimum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease term of contract | 1 year |  |
Real Estate [Member] | Maximum [Member] |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |
Lease term of contract | 20 years |  |

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