Long-term debt financing provided through the securitization of tax-exempt mortgage revenue bonds.

No definition available.

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- Definition

The cash inflow associated with maturities (principal being due), prepayments and calls (requests of early payments) on securities not classified as either held-to-maturity securities or trading securities which are classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
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- Definition

The cash inflow associated with the sale of debt and equity securities classified as available-for-sale securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 45
-Paragraph 11
-URI http://asc.fasb.org/extlink&oid=82896770&loc=d3e26853-111562

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 230
-SubTopic 10
-Section 45
-Paragraph 12
-Subparagraph (a),(b)
-URI http://asc.fasb.org/extlink&oid=98514028&loc=d3e3179-108585

+ Details

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Data Type:	xbrli:monetaryItemType
Balance Type:	debit
Period Type:	duration

- Details

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- Details

Name:	dei_EntityByLocationAxis=atax_ProNova20141Member
Namespace Prefix:
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- Details

Name:	us-gaap_DebtInstrumentAxis=atax_TOBFacilityMember
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Investments in Mortgage Revenue Bonds Investment in Bonds Narrative Tagging (Details) - USD ($)	1 Months Ended	6 Months Ended
	May 31, 2016	Jun. 30, 2016	Mar. 31, 2016
Proceeds from sale of mortgage revenue bond		$ 9,295,000
Series B [Member]
Principal payments received	$ 5,200,000
Pro Nova 2014-1 [Member]
Proceeds from sale of mortgage revenue bond			$ 9,500,000
Pro Nova 2014-1 [Member] \| TOB Facility [Member]
Debt financing			$ 8,400,000