Document and Entity Information	9 Months Ended
	Jul. 31, 2014	Sep. 09, 2014
Document And Entity Information
Entity Registrant Name	FIRST REAL ESTATE INVESTMENT TRUST OF NEW JERSEY
Entity Central Index Key	0000036840
Document Type	10-Q
Document Fiscal Year Focus	2014
Document Fiscal Period Focus	Q3
Document Period End Date	Jul. 31, 2014
Amendment Flag	false
Current Fiscal Year End Date	--10-31
Entity a Well-known Seasoned Issuer	No
Entity a Voluntary Filer	No
Entitys Reporting Status Current	Yes
Entity Filer Category	Accelerated Filer
Entity Common Stock, Shares Outstanding		6,821,171