QUARTERLY FINANCIAL DATA (UNAUDITED) (Details) - USD ($)	3 Months Ended								12 Months Ended
	Dec. 31, 2019	Sep. 30, 2019	Jun. 30, 2019	Mar. 31, 2019	Dec. 31, 2018	Sep. 30, 2018	Jun. 30, 2018	Mar. 31, 2018	Dec. 31, 2019	Dec. 31, 2018	Dec. 31, 2017
Revenues
Total Revenues	$ 11,963,117	$ 11,329,979	$ 10,688,831	$ 10,959,319	$ 12,040,174	$ 10,443,476	$ 10,805,062	$ 10,369,176	$ 44,941,246	$ 43,657,888	$ 38,650,570
Direct Cost of Revenues
Total Direct Cost of Revenues	(1,966,391)	(1,484,772)	(1,674,849)	(1,978,655)	(2,599,770)	(1,989,374)	(2,158,307)	(2,014,012)	(7,104,667)	(8,761,463)	(8,338,305)
General and Administrative Expenses	(2,936,551)	(2,260,728)	(2,119,176)	(2,501,620)	(2,604,633)	(1,928,008)	(2,429,181)	(2,823,548)	(9,818,075)	(9,785,370)	(10,252,610)
Depreciation and Amortization	(4,089,568)	(4,286,836)	(4,074,587)	(3,346,287)	(4,452,647)	(3,756,507)	(3,755,546)	(3,796,823)	(15,797,278)	(15,761,523)	(12,314,700)
Total Operating Expenses	8,992,510	8,032,336	7,868,612	7,826,562	9,657,050	7,673,889	8,343,034	8,634,383
Gain (Loss) on Disposition of Assets	1,108,269	2,187,332	11,811,907	6,869,957			18,384,808	3,650,858	21,977,465	22,035,666	38
Total Operating Income	4,078,876	5,484,975	14,632,126	10,002,714	2,383,124	2,769,587	20,846,836	5,385,651	34,198,691	31,385,198	7,744,993
Investment Income	258,480	33,048	14,560	38,755	13,838	14,179	11,892	12,312	344,843	52,221	37,985
Interest Expense	(3,246,867)	(3,253,908)	(3,042,058)	(2,923,229)	(2,979,364)	(2,345,156)	(2,537,301)	(2,561,465)	(12,466,062)	(10,423,286)	(8,523,136)
Income (Loss) from Continuing Operations Before Income Tax Expense	1,090,489	2,264,115	11,604,628	7,118,240	(582,402)	438,610	18,321,427	2,836,498	22,077,472	21,014,133	(740,158)
Income Tax Benefit (Expense) from Continuing Operations	(182,594)	(573,731)	(2,941,213)	(1,774,640)	(641,518)	(153,550)	(4,645,012)	(585,068)	(5,472,178)	(6,025,148)	22,481,523
Net Income from Continuing Operations	907,895	1,690,384	8,663,415	5,343,600	(1,223,920)	285,060	13,676,415	2,251,430	16,605,294	14,988,985	21,741,365
Income (Loss) from Discontinued Operations (Net of Tax)	95,514,044	(204,364)	1,933,385	1,124,499	13,020,331	11,112	486,493	8,660,869	98,367,564	22,178,805	19,978,059
Net Income	$ 96,421,939	$ 1,486,020	$ 10,596,800	$ 6,468,099	$ 11,796,411	$ 296,172	$ 14,162,908	$ 10,912,299	$ 114,972,858	$ 37,167,790	$ 41,719,424
Basic
Income from Continuing Operations (in dollars per share)	$ 0.19	$ 0.35	$ 1.75	$ 1.00	$ (0.23)	$ 0.05	$ 2.47	$ 0.40	$ 3.32	$ 2.72	$ 3.92
Net Income from Discontinued Operations (Net of Income Tax) (in dollars per share)	19.86	(0.04)	0.39	0.21	2.40		0.09	1.57	19.71	4.04	3.61
Basic Net Income per Share (in dollars per share)	20.05	0.31	2.14	1.21	2.17	0.05	2.56	1.97	23.03	6.76	7.53
Diluted
Income from Continuing Operations - Diluted (in dollars per share)	0.19	0.35	1.75	1.00	(0.23)	0.05	2.47	0.40	3.32	2.71	3.90
Net Income from Discontinued Operations (Net of Income Tax) -Diluted (in dollars per share)	19.85	(0.04)	0.39	0.21	2.40		0.09	1.56	19.68	4.01	3.58
Net Income - Diluted (in dollars per share)	$ 20.04	$ 0.31	$ 2.14	$ 1.21	$ 2.17	$ 0.05	$ 2.56	$ 1.96	$ 23.00	$ 6.72	$ 7.48
Income Properties
Revenues
Total Revenues	$ 10,594,870	$ 10,260,831	$ 10,375,295	$ 10,724,418	$ 11,728,550	$ 9,360,155	$ 9,781,299	$ 9,205,727	$ 41,955,414	$ 40,075,731	$ 31,406,930
Direct Cost of Revenues
Total Direct Cost of Revenues	(1,956,505)	(1,476,288)	(1,634,720)	(1,932,488)	(2,492,325)	(1,773,840)	(2,034,889)	(1,869,029)	(7,000,001)	(8,170,083)	(6,917,743)
Depreciation and Amortization									(15,774,228)	(15,728,095)	(12,272,265)
Management Services
Revenues
Total Revenues	304,553								304,553
Commercial Loan Investments
Revenues
Total Revenues	920,691	855,559	52,765			41,262	273,467	300,999	1,829,015	615,728	2,052,689
Real Estate Operations
Revenues
Total Revenues	143,003	213,589	260,771	234,901	311,624	1,042,059	750,296	862,450	852,264	2,966,429	5,190,951
Direct Cost of Revenues
Total Direct Cost of Revenues	(9,886)	$ (8,484)	$ (40,129)	$ (46,167)	$ (107,445)	$ (215,534)	$ (123,418)	$ (144,983)	$ (104,666)	(591,380)	$ (1,420,562)
Golf Operations
Direct Cost of Revenues
Impairment Charges										$ (1,100,000)
Gain (Loss) on Disposition of Assets	$ 15,000