Investments in and Advances to Partnerships - Summarized Financial Information, Statement of Operations (Details) (USD $)	3 Months Ended
	Mar. 31, 2013		Mar. 31, 2012
Expenses:
Share of income from partnerships	$ 58,521		$ 49,669
Local Partnerships [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships where cumulative losses exceed investment			2
Amount of cumulative losses exceeding investment			9,043,170
Expenses:
Share of income from partnerships			49,669
Local Partnership Equity Method [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	1	[1]	2	[2]
Revenue:
Rental	203,768		343,243
Other	52,635		51,737
Total revenue	256,403		394,980
Expenses:
Operating and other	149,334		265,673
Interest	(19,084)		8,492
Depreciation and amortization	66,437		59,928
Total expenses	196,687		334,093
Net income	59,716		60,887
Partnership’s share of Local Partnership net income	58,521		59,669
Advances to Local Partnership	0		0
Share of income from partnerships	58,521
Local Partnership Equity Method Suspended [Member]
Schedule of Equity Method Investments [Line Items]
Number of Local Partnerships	0		2	[3]
Revenue:
Rental	0		364,120
Other	0		18,709
Total revenue	0		382,829
Expenses:
Operating and other	0		235,387
Interest	0		78,353
Depreciation and amortization	0		39,071
Total expenses	0		352,811
Net income	0		30,018
Partnership’s share of Local Partnership net income	0		0
Advances to Local Partnership	$ 0		$ (10,000)

[1] Meadow Lanes

[2] Meadow Lanes; Villa Mirage I

[3] Monterey/Hillcrest (operations through date of sale); Villa Mirage II