BUSINESS SEGMENT DATA - Summary of Segment Operations (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022
BUSINESS SEGMENT DATA
Income Properties	$ 110,591	$ 96,663	$ 68,857
Interest Income From Commercial Loans and Investments	7,357	4,084	4,172
Total Revenues	124,519	109,119	82,320
Total Direct Cost of Revenues	(33,222)	(30,178)	(22,857)
Total Revenues Less Direct Costs of Revenues	91,297	78,941	59,463
Provision for Impairment	(676)	(1,556)	0
Depreciation and Amortization - Real Estate	(64,981)	(44,107)	(28,799)
Total Operating Income	17,611	26,506	10,667
Gain (Loss) on Disposition of Assets	8,308	7,543	(7,042)
Net Income (Loss) Attributable to the Company	(1,965)	5,530	3,158
General and Administrative Expenses	(16,269)	(14,249)	(12,899)
Investment and Other Income	2,606	1,987	776
Interest Expense	(22,521)	(22,359)	(11,115)
Depreciation and Amortization - Other	(68)	(66)	(56)
Income (Loss) Before Income Tax Benefit (Expense)	(2,304)	6,134	328
Income Tax Benefit (Expense)	339	(604)	2,830
Income Properties
BUSINESS SEGMENT DATA
Total Direct Cost of Revenues	(31,785)	(28,455)	(20,364)
Management Fee Income
BUSINESS SEGMENT DATA
Revenue from Contract with Customer, Including Assessed Tax	4,590	4,388	3,829
Real Estate Operations
BUSINESS SEGMENT DATA
Revenue from Contract with Customer, Including Assessed Tax	1,981	3,984	5,462
Total Direct Cost of Revenues	(1,437)	(1,723)	(2,493)
Income Properties
BUSINESS SEGMENT DATA
Income Properties	110,591	96,663	68,857
Total Revenues	110,591	96,663	68,857
Total Revenues Less Direct Costs of Revenues	78,806	68,208	48,493
Provision for Impairment	0	(929)	0
Depreciation and Amortization - Real Estate	(64,981)	(44,107)	(28,799)
Gain (Loss) on Disposition of Assets	3,763	7,543	3,869
Income Properties | Income Properties
BUSINESS SEGMENT DATA
Total Direct Cost of Revenues	(31,785)	(28,455)	(20,364)
Management Services
BUSINESS SEGMENT DATA
Total Revenues	4,590	4,388	3,829
Total Revenues Less Direct Costs of Revenues	4,590	4,388	3,829
Management Services | Management Fee Income
BUSINESS SEGMENT DATA
Revenue from Contract with Customer, Including Assessed Tax	4,590	4,388	3,829
Commercial Loans and Investments
BUSINESS SEGMENT DATA
Interest Income From Commercial Loans and Investments	7,357	4,084	4,172
Total Revenues	7,357	4,084	4,172
Total Revenues Less Direct Costs of Revenues	7,357	4,084	4,172
Provision for Impairment	(676)	(627)	0
Gain (Loss) on Disposition of Assets			802
Real Estate Operations
BUSINESS SEGMENT DATA
Total Revenues	1,981	3,984	5,462
Total Revenues Less Direct Costs of Revenues	544	2,261	2,969
Gain (Loss) on Disposition of Assets	4,545		(11,713)
Real Estate Operations | Real Estate Operations
BUSINESS SEGMENT DATA
Revenue from Contract with Customer, Including Assessed Tax	1,981	3,984	5,462
Total Direct Cost of Revenues	(1,437)	(1,723)	(2,493)
Operating Segments
BUSINESS SEGMENT DATA
Total Operating Income	25,640	33,278	30,664
Net Income (Loss) Attributable to the Company	33,948	40,821	23,622
Operating Segments | Income Properties
BUSINESS SEGMENT DATA
Total Operating Income	13,825	23,172	19,694
Net Income (Loss) Attributable to the Company	17,588	30,715	23,563
Operating Segments | Management Services
BUSINESS SEGMENT DATA
Total Operating Income	4,590	4,388	3,829
Net Income (Loss) Attributable to the Company	4,590	4,388	3,829
Operating Segments | Commercial Loans and Investments
BUSINESS SEGMENT DATA
Total Operating Income	6,681	3,457	4,172
Net Income (Loss) Attributable to the Company	6,681	3,457	4,974
Operating Segments | Real Estate Operations
BUSINESS SEGMENT DATA
Total Operating Income	544	2,261	2,969
Net Income (Loss) Attributable to the Company	$ 5,089	$ 2,261	$ (8,744)