Segment Reporting (Summary Of Real Estate Segment Revenue To Segment Operating Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2026	Jun. 30, 2025	Jun. 30, 2026	Jun. 30, 2025
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 66,896	$ 60,378	$ 112,020	$ 100,547
Depreciation and amortization	(3,171)	(3,380)	(6,401)	(6,756)
General and administrative expense	(4,402)	(5,384)	(9,148)	(10,537)
Operating income (loss)	7,477	2,891	3,846	(4,001)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	67,843	61,435	113,900	102,684
Operating expense	(52,793)	(49,780)	(94,505)	(89,392)
Depreciation and amortization	(3,089)	(3,297)	(6,224)	(6,538)
General and administrative expense	(1,225)	(1,426)	(2,387)	(2,701)
Operating income (loss)	10,736	6,932	10,784	4,053
Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	4,853	4,653	9,449	9,498
Operating expense	(1,936)	(1,840)	(3,822)	(3,795)
Depreciation and amortization	(1,136)	(1,125)	(2,278)	(2,226)
General and administrative expense	(203)	(209)	(382)	(403)
Depreciation, amortization, general and administrative expense	(1,339)	(1,334)	(2,660)	(2,629)
Operating income (loss)	1,578	1,479	2,967	3,074
Real Estate [Member] | United States [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	1,879	1,700	3,679	3,287
Occupancy expense	(220)	(174)	(445)	(352)
Utilities	(34)	16	(103)	(28)
Cleaning and maintenance	(141)	(75)	(177)	(106)
Other operating expenses	(217)	(264)	(430)	(430)
Operating expense	(871)	(752)	(1,687)	(1,408)
Depreciation and amortization	(651)	(674)	(1,309)	(1,333)
General and administrative expense	(174)	(185)	(345)	(315)
Depreciation, amortization, general and administrative expense	(825)	(859)	(1,654)	(1,648)
Operating income (loss)	183	89	338	231
Real Estate [Member] | United States [Member] | Live Theater Rental And Ancillary [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	824	630	1,572	1,173
Real Estate [Member] | United States [Member] | Property Rental [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	1,055	1,070	2,107	2,114
Real Estate [Member] | United States [Member] | Live Theater Cost [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Operating expense	(259)	(255)	(532)	(492)
Real Estate [Member] | Australia [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Occupancy expense	(474)	(479)	(925)	(967)
Labor cost	(5)	(76)	(8)	(119)
Utilities	(18)	(20)	(49)	(34)
Cleaning and maintenance	(281)	(215)	(532)	(435)
Other operating expenses	(211)	(198)	(458)	(456)
Operating expense	(989)	(988)	(1,972)	(2,011)
Depreciation and amortization	(426)	(391)	(850)	(776)
General and administrative expense	(5)	(24)	(13)	(87)
Depreciation, amortization, general and administrative expense	(431)	(415)	(863)	(863)
Operating income (loss)	1,342	1,338	2,508	2,882
Real Estate [Member] | Australia [Member] | Property Rental [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	2,762	2,741	5,343	5,756
Real Estate [Member] | New Zealand [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Occupancy expense	(35)	(31)	(69)	(89)
Labor cost				(2)
Utilities				(5)
Cleaning and maintenance				(4)
Other operating expenses	(41)	(69)	(94)	(276)
Operating expense	(76)	(100)	(163)	(376)
Depreciation and amortization	(59)	(60)	(119)	(117)
General and administrative expense	(24)		(24)	(1)
Depreciation, amortization, general and administrative expense	(83)	(60)	(143)	(118)
Operating income (loss)	53	52	121	(39)
Real Estate [Member] | New Zealand [Member] | Property Rental [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 212	$ 212	$ 427	$ 455