NOTES PAYABLE (Details Textual)	3 Months Ended
Jul. 31, 2016 USD ($) ft²	Apr. 30, 2016 USD ($)
Debt Instrument [Line Items]
Percentage Of Proceeds To Be Applied For Loan Payment	25.00%
Real Estate Loan [Member]
Debt Instrument [Line Items]
Notes Payable, Related Parties, Noncurrent	$ 6,483,000
Debt Instrument, Maturity Date	Dec. 01, 2017
Book Value Of Real Estate Property Collateralized	$ 57,413,000
Line Of Credit Facility Participation Percentage Purchased	20.00%
Real Estate Loan [Member] \| Debt collateralizing property instrument [Member]
Debt Instrument [Line Items]
Debt Instrument, Payment Terms	No payments of principal are required until maturity, except that the following amounts are required to be applied to the payment of the loan: (a) 25% of the net cash proceeds from any sales of real property by AMREP Southwest and (b) 25% of any royalty payments received by AMREP Southwest under the oil and gas lease
Debt Instrument, Interest Rate During Period	8.50%
US Bank Facility [Member]
Debt Instrument [Line Items]
Mortgage Notes Payable		$ 555,000
Debt Instrument, Maturity Date	Oct. 31, 2016
Area of Real Estate Property \| ft²	2,200
US Bank Facility [Member] \| Debt of subsidiary note payable instrument [Member]
Debt Instrument [Line Items]
Debt Instrument, Interest Rate During Period	0.50%

The book value of real estate property which was mortgaged to secure bank loan.

No definition available.

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Balance Type:	debit
Period Type:	instant

- Definition

Percentage of participation purchased in line of credit facility.

+ References

No definition available.

+ Details

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Namespace Prefix:	axr_
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Balance Type:	na
Period Type:	instant

- Definition

The value of mortgage notes payable.

+ References

No definition available.

+ Details

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

- Definition

Percentage of net proceeds from any sales of real property which is required to be applied to the payment of the loan.

+ References

No definition available.

+ Details

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Namespace Prefix:	axr_
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Balance Type:	na
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- Definition

Area of a real estate property.

+ References

No definition available.

+ Details

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Balance Type:	na
Period Type:	instant

- Definition

The average effective interest rate during the reporting period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 835
-SubTopic 30
-Section 45
-Paragraph 2
-URI http://asc.fasb.org/extlink&oid=64930785&loc=d3e28551-108399

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(1))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Period Type:	duration

- Definition

Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table.

+ References

No definition available.

+ Details

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Data Type:	xbrli:stringItemType
Balance Type:	na
Period Type:	duration

- Definition

Date when the debt instrument is scheduled to be fully repaid, in CCYY-MM-DD format.

+ References

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:dateItemType
Balance Type:	na
Period Type:	duration

- Definition

Description of the payment terms of the debt instrument (for example, whether periodic payments include principal and frequency of payments) and discussion about any contingencies associated with the payment.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.22(a)(3))
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 942
-SubTopic 470
-Section 50
-Paragraph 3
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6479336&loc=d3e64711-112823

+ Details

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- Definition

The amount for notes payable (written promise to pay), payable to related parties, which are due after one year (or one business cycle).

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(k)(1))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 850
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (d)
-URI http://asc.fasb.org/extlink&oid=6457730&loc=d3e39549-107864

Reference 3: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 210
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.5-02.23)
-URI http://asc.fasb.org/extlink&oid=6877327&loc=d3e13212-122682

+ Details

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Namespace Prefix:	us-gaap_
Data Type:	xbrli:monetaryItemType
Balance Type:	credit
Period Type:	instant

- Details

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- Details

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Namespace Prefix:
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- Details

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- Details

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