Consolidated Statements of Operations and Comprehensive Income - USD ($) $ in Thousands		12 Months Ended
		Dec. 31, 2022	Dec. 31, 2021
OPERATING REVENUES
Leasing		$ 8,513	$ 8,103
Total Operating Revenues	[1]	20,960	12,443
OPERATING COSTS AND EXPENSES
Leasing		3,598	3,495
General and administrative		2,795	2,569
Share-based compensation		1,278	1,449
Depreciation		1,109	1,188
Total Operating Costs and Expenses		11,353	10,806
OPERATING INCOME		9,607	1,637
Other income		71	13
Pension and other post-retirement expenses		(7,885)	(4,732)
Interest expense		(6)	(122)
INCOME (LOSS) FROM CONTINUING OPERATIONS		1,787	(3,204)
Loss from discontinued operations, net of income taxes of $0		0	(216)
NET INCOME (LOSS)		1,787	(3,420)
Pension, net of income taxes of $0		(7,381)	(6,050)
TOTAL COMPREHENSIVE INCOME		$ 9,168	$ 2,630
INCOME (LOSS) PER COMMON SHARE--BASIC AND DILUTED
Continuing Operations (in dollars per share)		$ 0.09	$ (0.17)
Discontinued Operations (in dollars per share)		0	(0.01)
Net Income (Loss) (in dollars per share)		$ 0.09	$ (0.18)
Real Estate [Member]
OPERATING REVENUES
Operating revenue		$ 11,600	$ 3,400
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses		1,026	750
Resort Amenities and Other [Member]
OPERATING REVENUES
Operating revenue		847	940
OPERATING COSTS AND EXPENSES
Operating Costs and Expenses		$ 1,547	$ 1,355

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