Investments in Partnerships - Summarized Financial Information - Statement of Operations (Details) (USD $)	12 Months Ended
	Dec. 31, 2012 partnership		Dec. 31, 2011 partnership
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	3		6
Expenses:
Cash distributions	$ 774,234		$ 415,550
Cash distributions recorded as reduction of investments in partnerships	774,234		415,550
Share of income from partnerships	828,563		2,968,076
Local Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	4		5
Revenue:
Rental	5,067,997		5,779,600
Other	382,806		2,597,343
Total revenue	5,450,803		8,376,943
Expenses:
Operating	3,121,153		3,427,799
Interest	717,999		624,740
Depreciation and amortization	811,455		789,454
Total expenses	4,650,607		4,841,993
Net Income	800,196		3,534,950
Cash distributions	774,234		415,550
Cash distributions recorded as reduction of investments in partnerships	0		0
Cash distributions recorded as income	774,234		415,550
Partnership's share of Local Partnership net income	54,329		2,769,466
Share of income from partnerships	828,563		3,185,016
Local Partnership Equity Method [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	1	[1]	2	[2]
Revenue:
Rental	787,586		1,589,442
Other	37,836		2,386,044
Total revenue	825,422		3,975,486
Expenses:
Operating	643,508		1,053,431
Interest	0		0
Depreciation and amortization	127,026		124,335
Total expenses	770,534		1,177,766
Net Income	54,888		2,797,720
Cash distributions	0		0
Cash distributions recorded as reduction of investments in partnerships	0		0
Cash distributions recorded as income	0		0
Partnership's share of Local Partnership net income	54,329		2,769,466
Share of income from partnerships	54,329		2,769,466
Local Partnership Equity Method Suspended [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	3	[3]	3	[4]
Revenue:
Rental	4,280,411		4,190,158
Other	344,970		211,299
Total revenue	4,625,381		4,401,457
Expenses:
Operating	2,477,645		2,374,368
Interest	717,999		624,740
Depreciation and amortization	684,429		665,119
Total expenses	3,880,073		3,664,227
Net Income	745,308		737,230
Cash distributions	774,234		415,550
Cash distributions recorded as reduction of investments in partnerships	0		0
Cash distributions recorded as income	774,234		415,550
Partnership's share of Local Partnership net income	0		0
Share of income from partnerships	$ 774,234		$ 415,550

[1] Tradewinds

[2] Mary Allen West Tower; Tradewinds

[3] Northridge; Westport Village; Fairway Park (through date of sale)

[4] Fairway Park; Westport Village; Northridge