Consolidated Statements of Operations and Comprehensive Income (Loss) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022
OPERATING REVENUES
Operating Lease, Lease Income	$ 8,461	$ 8,513
Total operating revenues	9,289	20,960	[1]
OPERATING COSTS AND EXPENSES
Leasing	4,420	3,598
General and administrative	3,998	2,795
Share-based compensation	2,846	1,278
Depreciation	869	1,109
Total operating costs and expenses	14,260	11,353
OPERATING INCOME (LOSS)	(4,971)	9,607
Gain from dercognition of nonfinancial asset	1,626	0
Other income	707	71
Pension and other post-retirement expenses	(436)	(7,885)
Interest expense	(6)	(6)
NET INCOME (LOSS)	(3,080)	1,787
Other comprehensive income - pension, net	1,370	7,381
TOTAL COMPREHENSIVE INCOME (LOSS)	$ (1,710)	$ 9,168
NET INCOME (LOSS) PER COMMON SHARE-BASIC AND DILUTED (in dollars per share)	$ (0.15)	$ 0.09
Land and Development Sales [Member]
OPERATING REVENUES
Operating revenues	$ 0	$ 11,600
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	595	1,026
Resort Amenities and Other [Member]
OPERATING REVENUES
Operating revenues	828	847
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses	$ 1,532	$ 1,547

[1] Amounts are principally revenues from external customers and exclude equity in earnings of affiliates.