BUSINESS SEGMENT DATA - Summary of Operations in Different Segments (Details) - USD ($) $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021	Dec. 31, 2021
BUSINESS SEGMENT DATA
Total Revenues	$ 23,117	$ 16,577	$ 59,790	$ 45,572
Total Operating Income	10,756	26,760	19,262	22,050
Impairment Charges	0		0	(16,527)
Gain on Disposition of Assets	4,973	22,666	4,728	28,106
Loss on Extinguishment of Debt				641
Depreciation and Amortization	7,305	5,567	20,401	15,428
Capital Expenditures	86,654	1,773	180,999	115,890
Identifiable Assets	845,772		845,772		$ 733,139
Operating Segments
BUSINESS SEGMENT DATA
Impairment Charges				(16,527)
Gain on Disposition of Assets	4,973	22,666	4,728	28,106
Loss on Extinguishment of Debt				(641)
General and Corporate Expense
BUSINESS SEGMENT DATA
Total Operating Income	(10,558)	(8,247)	(29,373)	(23,905)
Depreciation and Amortization	22	5	42	15
Capital Expenditures	160	19	195	29
Identifiable Assets	108,954		108,954		35,132
Income Properties
BUSINESS SEGMENT DATA
Total Revenues	17,694	13,734	49,229	36,757
Capital Expenditures	83,240	1,754	130,674	115,861
Identifiable Assets	664,482		664,482		630,747
Income Properties | Operating Segments
BUSINESS SEGMENT DATA
Total Operating Income	12,579	9,750	35,286	27,069
Depreciation and Amortization	7,283	5,562	20,359	15,413
Management Fee Income
BUSINESS SEGMENT DATA
Total Revenues	951	940	2,835	2,361
Capital Expenditures	0	0	0	0
Identifiable Assets	1,181		1,181		1,653
Management Fee Income | Operating Segments
BUSINESS SEGMENT DATA
Total Operating Income	951	940	2,835	2,361
Interest Income From Commercial Loans and Investments
BUSINESS SEGMENT DATA
Total Revenues	1,323	726	3,331	2,136
Capital Expenditures	3,254		50,130
Identifiable Assets	46,524		46,524		39,095
Interest Income From Commercial Loans and Investments | Operating Segments
BUSINESS SEGMENT DATA
Total Operating Income	1,323	726	3,331	2,136
Real Estate Operations
BUSINESS SEGMENT DATA
Total Revenues	3,149	1,177	4,395	4,318
Identifiable Assets	24,631		24,631		$ 26,512
Real Estate Operations | Operating Segments
BUSINESS SEGMENT DATA
Total Operating Income	$ 1,488	$ 925	$ 2,455	$ 3,451