| Component: (Network and Table) | |
|---|---|
| Network | 133 - Disclosure - PROPERTY, PLANT AND EQUIPMENT: (Tables) (http://www.amrepcorp.com/role/PropertyPlantAndEquipmentTables) |
| Table | (Implied) |
| Reporting Entity [Axis] | 0000006207 (http://www.sec.gov/CIK) |
| Property, Plant and Equipment Disclosure [Abstract] | Period [Axis] | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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2015-05-01 - 2016-04-30 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment Disclosure [Abstract] | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Property, Plant and Equipment [Table Text Block] | Property, plant and equipment consist of:
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