Investments In and Advances to Partnerships - Summarized Financial Information, Statement of Operations (Details) (USD $)	3 Months Ended				6 Months Ended
	Jun. 30, 2013		Jun. 30, 2012		Jun. 30, 2013 partnership		Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships					3
Expenses:
Cash distributions					$ 71,910		$ 0
Share of income from partnerships	91,094		343,035		219,701		682,494
Local Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships where cumulative losses exceed investment							3
Amount of cumulative losses exceeding investment	3,309,008				3,309,008
Number of Local Partnerships	3		6		3		6
Revenue:
Rental	394,453		1,278,687		961,830		2,523,282
Other	19,723		103,266		34,992		199,745
Total revenue	414,176		1,381,953		996,822		2,723,027
Expenses:
Operating	310,070		764,201		683,021		1,512,870
Interest	(4,481)		98,451		39,849		196,902
Depreciation and amortization	22,696		134,384		64,870		268,768
Total expenses	328,285		997,036		787,740		1,978,540
Net income (loss)	85,891		384,917		209,082		744,487
Cash distributions	48,032		0		71,910		0
Cash distributions recorded as reduction of investments in partnerships	41,104		0		57,763		0
Cash distribution recorded as income	6,928		0		14,147		0
Partnership's share of Local Partnership net income	84,166		343,035		205,554		682,494
Share of income from partnerships	91,094		343,035		219,701		682,494
Local Partnership Equity Method [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	2	[1]	3	[2]	2	[1]	3	[2]
Revenue:
Rental	394,453		932,244		796,272		1,853,488
Other	19,723		90,169		32,681		180,485
Total revenue	414,176		1,022,413		828,953		2,033,973
Expenses:
Operating	310,070		512,845		568,688		1,018,484
Interest	(4,481)		57,568		2,971		115,136
Depreciation and amortization	22,696		101,943		47,530		203,886
Total expenses	328,285		672,356		619,189		1,337,506
Net income (loss)	85,891		350,057		209,764		696,467
Cash distributions	41,104		0		57,763		0
Cash distributions recorded as reduction of investments in partnerships	41,104		0		57,763		0
Cash distribution recorded as income	0		0		0		0
Partnership's share of Local Partnership net income	84,166		343,035		205,554		682,494
Share of income from partnerships	84,166		343,035		205,554		682,494
Local Partnership Equity Method Suspended [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	1	[3]	3	[4]	1	[3]	3	[4]
Revenue:
Rental	0		346,443		165,558		669,794
Other	0		13,097		2,311		19,260
Total revenue	0		359,540		167,869		689,054
Expenses:
Operating	0		251,356		114,333		494,386
Interest	0		40,883		36,878		81,766
Depreciation and amortization	0		32,441		17,340		64,882
Total expenses	0		324,680		168,551		641,034
Net income (loss)	0		34,860		(682)		48,020
Cash distributions	6,928		0		14,147		0
Cash distributions recorded as reduction of investments in partnerships	0		0		0		0
Cash distribution recorded as income	6,928		0		14,147		0
Partnership's share of Local Partnership net income	0		0		0		0
Share of income from partnerships	$ 6,928		$ 0		$ 14,147		$ 0

[1] Westwood Village, Chestnut

[2] Capital Commons, Chestnut, Westwood Village

[3] New Sharon Woods

[4] Hillview Terrace, New Sharon Woods, Shallowford Oaks