Significant Subsidiaries (Details) (USD $)	6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012
Schedule of Equity Method Investments [Line Items]
Percent of total assets or equity Local Partnership represents, more than 20%	20.00%
Chestnut Apartments [Member]
Schedule of Equity Method Investments [Line Items]
Total Assets	$ 1,364,201	$ 1,716,960
Total Liabilities	323,018	596,977
Revenue	449,890	424,957
Net Income	$ 154,208	$ 177,471