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Sum of the carrying amounts as of the balance sheet date of all assets that are recognized. Assets are probable future economic benefits obtained or controlled by an entity as a result of past transactions or events.

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- Definition

The amount of expense recognized in the current period that reflects the allocation of the cost of tangible assets over the assets' useful lives. Includes production and non-production related depreciation.

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- Definition

Amount of the cost of borrowed funds accounted for as interest expense.

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The net result for the period of deducting operating expenses from operating revenues.

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No definition available.

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The amount of ownership interest of different classes of partners in limited partnership.

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Amount of revenue recognized from goods sold, services rendered, insurance premiums, or other activities that constitute an earning process. Includes, but is not limited to, investment and interest income before deduction of interest expense when recognized as a component of revenue, and sales and trading gain (loss).

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Segment Reporting Segment Reporting (Details) (USD $)	3 Months Ended
Segment Reporting Segment Reporting (Details) (USD $)	Mar. 31, 2015	Mar. 31, 2014	Dec. 31, 2014
Revenues [Abstract]
Revenues	$ 13,310,693us-gaap_Revenues	$ 13,200,840us-gaap_Revenues
Interest Expense [Abstract]
Interest expense	3,989,121us-gaap_InterestExpense	2,169,549us-gaap_InterestExpense
Depreciation [Abstract]
Depreciation	1,693,299us-gaap_Depreciation	1,252,147us-gaap_Depreciation
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	2,524,479us-gaap_OperatingIncomeLoss	6,046,829us-gaap_OperatingIncomeLoss
Assets [Abstract]
Assets	772,732,368us-gaap_Assets		744,239,217us-gaap_Assets
Partners' Capital
Partners' Capital	303,227,225us-gaap_PartnersCapital		309,943,899us-gaap_PartnersCapital
Mortgage revenue bonds [Member]
Revenues [Abstract]
Revenues	7,549,171	8,260,913
Interest Expense [Abstract]
Interest expense	2,947,100	1,149,922
Depreciation [Abstract]
Depreciation	0	0
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	2,520,116	5,628,100
Assets [Abstract]
Assets	723,613,539		698,637,412
Partners' Capital
Partners' Capital	344,804,295		355,480,225
MF Properties [Member]
Revenues [Abstract]
Revenues	4,302,301	3,150,344
Interest Expense [Abstract]
Interest expense	712,899	563,340
Depreciation [Abstract]
Depreciation	1,454,179	1,019,366
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	(393,641)	(224,508)
Assets [Abstract]
Assets	111,632,020		101,696,234
Partners' Capital
Partners' Capital	(6,379,698)		18,600,449
Public Housing Capital Fund Trust Certificates [Member]
Revenues [Abstract]
Revenues	732,903	800,828
Interest Expense [Abstract]
Interest expense	296,460	337,557
Depreciation [Abstract]
Depreciation	0	0
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	429,148	456,118
Assets [Abstract]
Assets	60,664,767		61,577,848
Partners' Capital
Partners' Capital	15,890,718		16,803,457
Residential Mortgage Backed Securities [Member]
Revenues [Abstract]
Revenues	152,860	421,160
Interest Expense [Abstract]
Interest expense	37,697	118,730
Depreciation [Abstract]
Depreciation	0	0
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	115,022	299,890
Assets [Abstract]
Assets	15,104,963		15,101,309
Partners' Capital
Partners' Capital	3,105,324		3,095,526
Consolidated VIEs [Member]
Revenues [Abstract]
Revenues	804,068	800,872
Interest Expense [Abstract]
Interest expense	569,934	557,884
Depreciation [Abstract]
Depreciation	239,120	232,781
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	(497,170)	(444,098)
Assets [Abstract]
Assets	13,169,000		13,456,861
Partners' Capital
Partners' Capital	(23,996,786)		(23,499,616)
Consolidation, Eliminations [Member]
Revenues [Abstract]
Revenues	(230,610)	(233,277)
Interest Expense [Abstract]
Interest expense	(574,969)	(557,884)
Depreciation [Abstract]
Depreciation	0	0
Net Income (Loss) Attributable to Parent [Abstract]
Operating Income (Loss)	351,004	331,327
Assets [Abstract]
Assets	(151,451,921)		(146,230,447)
Partners' Capital
Partners' Capital	$ (30,196,628)		$ (60,536,142)