Segment Reporting (Summary Of Real Estate Segment Revenue To Segment Operating Income) (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2025	Sep. 30, 2024	Sep. 30, 2025	Sep. 30, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 52,170	$ 60,090	$ 152,716	$ 151,951
Depreciation and amortization	(3,236)	(3,926)	(9,992)	(12,142)
General and administrative expense	(4,658)	(4,933)	(15,194)	(15,626)
Operating income (loss)	(329)	(343)	(4,331)	(15,562)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	53,122	61,255	155,805	155,414
Operating expense	(45,557)	(52,739)	(134,950)	(143,208)
Depreciation and amortization	(3,160)	(3,818)	(9,699)	(11,837)
General and administrative expense	(1,262)	(1,089)	(3,963)	(3,698)
Operating income (loss)	3,143	3,609	7,193	(3,329)
Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	4,567	4,898	14,065	14,844
Operating expense	(1,863)	(2,106)	(5,658)	(6,801)
Depreciation and amortization	(1,115)	(1,210)	(3,341)	(4,084)
General and administrative expense	(202)	(186)	(605)	(725)
Depreciation, amortization, general and administrative expense	(1,317)	(1,396)	(3,946)	(4,809)
Operating income (loss)	1,387	1,396	4,461	3,234
United States [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	1,952	1,444	5,239	4,412
Occupancy expense	(207)	(167)	(559)	(521)
Utilities	(22)	(9)	(50)	(88)
Cleaning and maintenance	(52)	(37)	(158)	(115)
Other operating expenses	(288)	(245)	(718)	(865)
Operating expense	(873)	(654)	(2,281)	(2,295)
Depreciation and amortization	(658)	(673)	(1,991)	(2,089)
General and administrative expense	(168)	(193)	(483)	(673)
Depreciation, amortization, general and administrative expense	(826)	(866)	(2,474)	(2,762)
Operating income (loss)	253	(76)	484	(645)
United States [Member] | Live Theater Rental And Ancillary [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	902	391	2,075	1,220
United States [Member] | Property Rental [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	1,050	1,053	3,164	3,192
United States [Member] | Live Theater Cost [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating expense	(304)	(196)	(796)	(706)
Australia [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Occupancy expense	(421)	(509)	(1,389)	(1,477)
Labor cost	(42)	(69)	(161)	(182)
Utilities	(67)	(22)	(101)	(55)
Cleaning and maintenance	(198)	(232)	(634)	(726)
Other operating expenses	(191)	(165)	(648)	(697)
Operating expense	(919)	(997)	(2,933)	(3,137)
Depreciation and amortization	(397)	(490)	(1,173)	(1,632)
General and administrative expense	(34)	7	(121)	(52)
Depreciation, amortization, general and administrative expense	(431)	(483)	(1,294)	(1,684)
Operating income (loss)	1,044	1,602	3,923	4,521
Australia [Member] | Property Rental [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	2,394	3,082	8,150	9,342
New Zealand [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Occupancy expense	(6)	(129)	(95)	(350)
Labor cost		(6)	(2)	(17)
Utilities		(13)	(5)	(49)
Cleaning and maintenance		(15)	(4)	(33)
Other operating expenses	(65)	(292)	(338)	(920)
Operating expense	(71)	(455)	(444)	(1,369)
Depreciation and amortization	(60)	(47)	(177)	(363)
General and administrative expense			(1)
Depreciation, amortization, general and administrative expense	(60)	(47)	(178)	(363)
Operating income (loss)	90	(130)	54	(642)
New Zealand [Member] | Property Rental [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 221	$ 372	$ 676	$ 1,090