Condensed Consolidated Statements of Cash Flows (Unaudited)	3 Months Ended
	Mar. 31, 2017 USD ($)	Mar. 31, 2016 USD ($)
Cash flows from operating activities:
Net income	$ 7,360,515	$ 2,531,688
Adjustments to reconcile net income to net cash provided by operating activities:
Depreciation and amortization	1,592,826	2,124,898
Gain on sale of MF Property	(7,168,587)
Gain on sale of securities		(8,097)
Non-cash loss on derivatives	121,349	1,110,407
Restricted unit compensation expense	170,840
Bond premium/discount amortization	(35,767)	(33,573)
Amortization of deferred financing costs	740,238	532,187
Income tax expense	2,458,047
Change in preferred return receivable from unconsolidated entities	(581,772)
Changes in operating assets and liabilities, net of effect of acquisitions
Increase in interest receivable	(290,486)	(793,661)
(Increase) decrease in other assets	(97,700)	(354,030)
(Decrease) increase in accounts payable and accrued expenses	612,007	(244,234)
Net cash provided by operating activities	4,881,510	4,865,585
Cash flows from investing activities:
Capital expenditures	(112,629)	(157,084)
Proceeds from sale of MF Properties	13,750,000
Proceeds from sale of mortgage revenue bond		9,295,000
Proceeds from the sale of MBS Securities		14,997,069
Acquisition of mortgage revenue bonds	(59,585,000)	(11,500,000)
Contributions to unconsolidated entities	(6,412,262)	(2,442,846)
Restricted cash - debt collateral paid	(32,966)	(750,000)
Restricted cash - debt collateral released	514,903	812,196
Decrease in restricted cash	364,235	134,615
Principal payments received on taxable bonds	3,888
Advances on property loans	(1,701,499)	(5,836,758)
Principal payments received on property loans	500,000	8,516
Net cash provided by (used in) investing activities	(51,597,267)	6,084,465
Cash flows from financing activities:
Distributions paid	(8,289,468)	(8,759,343)
Proceeds from the sale of redeemable Series A Preferred Units	16,131,000	10,000,000
Payment of offering costs related to the sale of redeemable Series A Preferred Units		(19,052)
Repurchase of beneficial unit certificates	(823,358)
Payment of tax withholding related to restricted unit awards	(153,306)
Distribution to noncontrolling interest	(76,316)
Proceeds from debt financing	135,100,000
Principal payments on debt financing	(31,593,250)	(21,600,363)
Principal payments on mortgages payable	(233,630)	(234,752)
Increase (decrease) in security deposit liability related to restricted cash	(100,762)	62,399
Debt financing and other deferred costs	(1,215,213)	(99,907)
Principal borrowing on unsecured lines of credit	22,460,000	15,487,639
Principal payments on unsecured and secured lines of credit	(82,460,000)	(5,000,000)
Net cash provided by (used in) financing activities	48,745,697	(10,163,379)
Net increase in cash and cash equivalents	2,029,940	786,671
Cash and cash equivalents at beginning of period	20,748,521	17,035,782
Cash and cash equivalents at end of period	22,778,461	17,822,453
Supplemental disclosure of cash flow information:
Cash paid during the period for interest	4,907,078	3,646,802
Supplemental disclosure of non cash investing and financing activities:
Distributions declared but not paid for beneficial unit certificates and general partner	8,678,628	7,607,693
Distributions declared but not paid for Series A Preferred Units	320,823	1,667
Land contributed as investment in an unconsolidated entity	3,091,023
Capital expenditures financed through accounts payable	33,072	17,360
Deferred financing costs financed through accounts payable	46,764
Other assets financed through accounts payable	40,000
Mortgage Revenue Bonds [Member]
Cash flows from investing activities:
Principal payments received	$ 1,114,063	$ 1,523,757