Segment Reporting (Summary Of Real Estate Segment Revenue To Segment Operating Income) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2025	Jun. 30, 2024	Jun. 30, 2025	Jun. 30, 2024
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	$ 60,378	$ 46,809	$ 100,547	$ 91,861
Depreciation and amortization	(3,380)	(4,011)	(6,756)	(8,216)
General and administrative expense	(5,384)	(5,271)	(10,537)	(10,693)
Operating income (loss)	2,891	(7,692)	(4,001)	(15,222)
Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	61,435	47,954	102,684	94,159
Operating expense	(49,780)	(46,364)	(89,392)	(90,471)
Depreciation and amortization	(3,297)	(3,912)	(6,538)	(8,015)
General and administrative expense	(1,426)	(1,341)	(2,701)	(2,611)
Operating income (loss)	6,932	(3,663)	4,053	(6,938)
Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	4,653	5,013	9,498	9,946
Operating expense	(1,840)	(2,461)	(3,795)	(4,696)
Depreciation and amortization	(1,125)	(1,358)	(2,226)	(2,874)
General and administrative expense	(209)	(248)	(403)	(539)
Depreciation, amortization, general and administrative expense	(1,334)	(1,606)	(2,629)	(3,413)
Operating income (loss)	1,479	946	3,074	1,837
United States [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Revenue	1,700	1,483	3,287	2,967
Occupancy expense	(174)	(160)	(352)	(354)
Utilities	16	(49)	(28)	(79)
Cleaning and maintenance	(75)	(31)	(106)	(78)
Other operating expenses	(264)	(279)	(430)	(621)
Operating expense	(752)	(798)	(1,408)	(1,644)
Depreciation and amortization	(674)	(677)	(1,333)	(1,416)
General and administrative expense	(185)	(212)	(315)	(480)
Depreciation, amortization, general and administrative expense	(859)	(889)	(1,648)	(1,896)
Operating income (loss)	89	(204)	231	(573)
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	630	416	1,173	828
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	1,070	1,067	2,114	2,139
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	(255)	(279)	(492)	(512)
Australia [Member] | Real Estate [Member] | Operating Segments [Member]
Segment Reporting, Reconciling Item for Operating Profit (Loss) from Segment to Consolidated [Line Items]
Occupancy expense	(479)	(478)	(967)	(968)
Labor cost	(76)	(55)	(119)	(113)
Utilities	(20)	(19)	(34)	(33)
Cleaning and maintenance	(215)	(278)	(435)	(494)
Other operating expenses	(198)	(299)	(456)	(531)
Operating expense	(988)	(1,129)	(2,011)	(2,139)
Depreciation and amortization	(391)	(551)	(776)	(1,142)
General and administrative expense	(24)	(36)	(87)	(59)
Depreciation, amortization, general and administrative expense	(415)	(587)	(863)	(1,201)
Operating income (loss)	1,338	1,461	2,882	2,921
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	2,741	3,177	5,756	6,261
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	(31)	(110)	(89)	(221)
Labor cost		(6)	(2)	(11)
Utilities		(16)	(5)	(36)
Cleaning and maintenance		(7)	(4)	(17)
Other operating expenses	(69)	(395)	(276)	(628)
Operating expense	(100)	(534)	(376)	(913)
Depreciation and amortization	(60)	(130)	(117)	(316)
General and administrative expense			(1)
Depreciation, amortization, general and administrative expense	(60)	(130)	(118)	(316)
Operating income (loss)	52	(311)	(39)	(511)
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	$ 212	$ 353	$ 455	$ 718