Net income or loss of consolidated variable interest entities not allocated to the general partner or limited partners.

No definition available.

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- Definition

The average number of shares or units issued outstanding that are used in calculating basic and diluted EPS.

+ References

No definition available.

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- Definition

The amount of net income or loss for the period per each share in instances when basic and diluted earnings per share are the same amount and reported as a single line item on the face of the financial statements. Basic earnings per share is the amount of net income or loss for the period per each share of common stock or unit outstanding during the reporting period. Diluted earnings per share includes the amount of net income or loss for the period available to each share of common stock or common unit outstanding during the reporting period and to each share or unit that would have been outstanding assuming the issuance of common shares or units for all dilutive potential common shares or units outstanding during the reporting period.

+ References

No definition available.

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- Definition

The amount of net income (loss) from continuing operations per each basic and diluted share of common stock or unit when the per share amount is the same for both basic and diluted shares.

+ References

No definition available.

+ Details

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- Definition

Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal.

+ References

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-Publisher FASB

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-Name Regulation S-X (SX)

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-Section 03

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- Definition

Per basic and diluted share amount, after tax, of income (loss) from the day-to-day business activities of the discontinued operation and gain (loss) from the disposal of the discontinued operation, when the per share amount is the same.

+ References

No definition available.

+ Details

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- Definition

Aggregate amount of net income allocated to general partners.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 505

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-Section S99

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-Publisher SEC

-Name Staff Accounting Bulletin (SAB)

-Number Topic 4

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- Definition

Aggregate amount of net income allocated to limited partners.

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- Definition

Amount of Net Income (Loss) attributable to noncontrolling interest.

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-Publisher FASB

-Name Accounting Standards Codification

-Topic 810

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- Definition

The consolidated profit or loss for the period, net of income taxes, including the portion attributable to the noncontrolling interest.

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Summary of Significant Accounting Policies Net Income Per BUC (Details) (USD $)	3 Months Ended								12 Months Ended
	Dec. 31, 2014	Sep. 30, 2014	Jun. 30, 2014	Mar. 31, 2014	Dec. 31, 2013	Sep. 30, 2013	Jun. 30, 2013	Mar. 31, 2013	Dec. 31, 2014	Dec. 31, 2013	Dec. 31, 2012
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest									$ 15,029,188us-gaap_ProfitLoss	$ 17,976,842us-gaap_ProfitLoss	$ 4,996,038us-gaap_ProfitLoss
Net Income (Loss) Allocated to General Partners									1,056,316	1,416,296	691,312
Unallocated loss of Consolidated VIEs									(635,560)atax_UnallocatedLossOfConsolidatedVies	(1,116,262)atax_UnallocatedLossOfConsolidatedVies	(1,522,846)atax_UnallocatedLossOfConsolidatedVies
Net (income) loss attributable to noncontrolling interest									(4,673)	261,923	549,194
Net Income (Loss) Allocated to Limited Partners									14,613,105	17,414,885	5,278,378
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest										3,442,404	2,232,276
Weighted average number of units outstanding, basic and diluted									59,431,010	43,453,476	37,367,600
Income (Loss) from Continuing Operations, Per Basic and Diluted Share					$ 0.04	$ 0.05	$ 0.08	$ 0.15	$ 0.25	$ 0.32	$ 0.09
Income (Loss) from Discontinued Operations, Net of Tax, Per Basic and Diluted Share					$ 0	$ 0	$ 0.01	$ 0.04	$ 0.00	$ 0.08	$ 0.05
Earnings Per Share, Basic and Diluted	$ 0.04us-gaap_EarningsPerShareBasicAndDiluted	$ 0.06us-gaap_EarningsPerShareBasicAndDiluted	$ 0.05us-gaap_EarningsPerShareBasicAndDiluted	$ 0.10us-gaap_EarningsPerShareBasicAndDiluted	$ 0.04us-gaap_EarningsPerShareBasicAndDiluted	$ 0.08us-gaap_EarningsPerShareBasicAndDiluted	$ 0us-gaap_EarningsPerShareBasicAndDiluted	$ 0.19us-gaap_EarningsPerShareBasicAndDiluted	$ 0.25us-gaap_EarningsPerShareBasicAndDiluted	$ 0.40us-gaap_EarningsPerShareBasicAndDiluted	$ 0.14us-gaap_EarningsPerShareBasicAndDiluted
Segment, Continuing Operations [Member]
Net Income (Loss), Including Portion Attributable to Noncontrolling Interest									15,029,188	14,534,438	2,763,762
Net Income (Loss) Allocated to General Partners									1,056,316	1,381,872	331,403
Unallocated loss of Consolidated VIEs									(635,560)	(1,116,262)	(1,522,846)
Net (income) loss attributable to noncontrolling interest									(4,673)	261,923	549,194
Net Income (Loss) Allocated to Limited Partners									14,613,105	14,006,905	3,406,011
Segment, Discontinued Operations [Member]
Net Income (Loss) Allocated to General Partners									0	34,424	359,909
Unallocated loss of Consolidated VIEs									0	0	0
Net Income (Loss) Allocated to Limited Partners									0	3,407,980	1,872,367
Income (Loss) from Discontinued Operations, Net of Tax, Including Portion Attributable to Noncontrolling Interest									$ 0	$ 3,442,404	$ 2,232,276