Investments in Local Limited Partnerships (Details Textual) (USD $)	3 Months Ended		9 Months Ended
	Dec. 31, 2013	Dec. 31, 2012	Dec. 31, 2013	Dec. 31, 2012	Mar. 31, 2013
Cumulative Unrecognized Equity Losses In Local Limited Partnerships	$ 515,615	$ 59,653	$ 515,615	$ 59,653	$ 945,515
Proceeds from Limited Partnership Investments			0	2,015,000
Investment Owned, at Fair Value		2,044,403		2,044,403
Unrecognized Equity Losses Cumulative Equity In Losses And Distributions In Excess Of Total Investment			24,340	543,360
Fund's share of net losses of LLPs			796,803	(423,985)
Loss on disposition of investments in Local Limited Partnerships (Note 1)	0	0	0	(29,403)
Cash Distributions Received From Local Limited Partnerships			$ 1,425,429	$ 15,494
Local Limited Partnerships [Member]
Subsidiary of Limited Liability Company or Limited Partnership, Ownership Interest			77.00%

Value of the investment at close of period. For schedules of investments that are categorized, the value would be aggregated by category. For investment in and advances to affiliates, if operations of any controlled companies are different in character from those of the company, group such affiliates within divisions and by type of activities.

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

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-Publisher FASB

-Name Accounting Standards Codification

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-Section S99

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-Subparagraph (SX 210.12-12.Column C.3,4)

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-Publisher FASB

-Name Accounting Standards Codification

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

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-Subparagraph (SX 210.12-14.Column E.2,3)

-URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611322-123010

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 946

-SubTopic 320

-Section S99

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-Subparagraph (SX 210.12-13.Column C.6)

-URI http://asc.fasb.org/extlink&oid=6955306&loc=d3e611282-123010

Reference 8: http://www.xbrl.org/2003/role/presentationRef

-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

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-Publisher SEC

-Name Regulation S-X (SX)

-Number 210

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-Publisher SEC

-Name Regulation S-X (SX)

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BOSTON FINANCIAL TAX CREDIT FUND VIII LP 10-Q