Document And Entity Information - shares	6 Months Ended
	Oct. 31, 2016	Dec. 12, 2016
Document Information [Line Items]
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Oct. 31, 2016
Document Fiscal Year Focus	2016
Document Fiscal Period Focus	Q2
Entity Registrant Name	AMREP CORP.
Entity Central Index Key	0000006207
Current Fiscal Year End Date	--04-30
Entity Filer Category	Smaller Reporting Company
Trading Symbol	AXR
Entity Common Stock, Shares Outstanding		8,077,954