Condensed Consolidated Statements of Operations (Unaudited) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017
Revenues:
Property revenues	$ 2,336,512	$ 3,729,778
Investment income	13,378,486	11,470,186
Contingent interest income		132,650
Other interest income	743,036	645,137
Other income		62,637
Total revenues	16,458,034	16,040,388
Expenses:
Real estate operating (exclusive of items shown below)	1,395,493	2,484,216
Depreciation and amortization	906,315	1,592,826
Amortization of deferred financing costs	464,772	740,238
Interest expense	4,882,305	5,442,253
General and administrative	2,811,845	3,130,880
Total expenses	10,460,730	13,390,413
Other Income:
Gain on sale of real estate assets, net		7,168,587
Income before income taxes	5,997,304	9,818,562
Income tax expense (benefit)	(7,000)	2,458,047
Net income	6,004,304	7,360,515
Net income attributable to noncontrolling interest		71,653
Partnership net income	6,004,304	7,288,862
Redeemable Series A preferred unit distributions and accretion	(717,763)	(324,642)
Net income available to Partners	5,286,541	6,964,220
Net income available to Partners and noncontrolling interest allocated to:
General Partner	52,865	1,147,072
Net income attributable to noncontrolling interest		71,653
Net income available to Partners and noncontrolling interest	$ 5,286,541	$ 7,035,873
Net income per Unit, basic and diluted	$ 0.09	$ 0.10
Distributions declared, per Unit	$ 0.125	$ 0.125
Weighted average number of Units outstanding, basic	60,124,333	60,037,687
Weighted average number of Units outstanding, diluted	60,124,333	60,037,687
Unitholders [Member]
Net income available to Partners and noncontrolling interest allocated to:
Limited Partners	$ 5,199,401	$ 5,794,702
Restricted Unitholders [Member]
Net income available to Partners and noncontrolling interest allocated to:
Limited Partners	$ 34,275	$ 22,446