Summary Of Significant Accounting Policies (Narrative) (Details)	12 Months Ended
	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