Investments In and Advances to Partnerships - Investment Reconciliation (Details) (USD $)	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Equity Method Investment, Reconciliation of Investment [Roll Forward]
Investments in partnerships at beginning of year	$ 1,597,027
Cash distributions	(23,879)
Share of income from partnerships	128,607	339,459
Investments in partnerships at end of year	1,701,755
Local Partnerships [Member]
Equity Method Investment, Reconciliation of Investment [Roll Forward]
Investments in partnerships at beginning of year	1,597,027
Cash distributions	(23,879)	0
Share of income from partnerships	128,607	339,459
Investments in partnerships at end of year	$ 1,701,755

The cash inflow from earnings received from real estate partnerships.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 16

-Subparagraph b

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

Reference 2: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Glossary Investing Activities

-URI http://asc.fasb.org/extlink&oid=6516133

Reference 3: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 230

-SubTopic 10

-Section 45

-Paragraph 12

-Subparagraph (b)

-URI http://asc.fasb.org/extlink&oid=6943989&loc=d3e3179-108585

Reference 4: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Statement of Financial Accounting Standard (FAS)

-Number 95

-Paragraph 15

-LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy.

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration