v3.22.2.2
Cover
Sep. 28, 2022
Cover [Abstract]  
Document Type 8-K
Amendment Flag false
Document Period End Date Sep. 28, 2022
Entity File Number 000-25043
Entity Registrant Name FIRST REAL ESTATE INVESTMENT TRUST OF NEW JERSEY, INC.
Entity Central Index Key 0000036840
Entity Tax Identification Number 22-1697095
Entity Incorporation, State or Country Code MD
Entity Address, Address Line One 505 Main Street
Entity Address, Address Line Two Suite 400
Entity Address, City or Town Hackensack
Entity Address, State or Province NJ
Entity Address, Postal Zip Code 07601
City Area Code (201)
Local Phone Number 488-6400
Written Communications false
Soliciting Material false
Pre-commencement Tender Offer false
Pre-commencement Issuer Tender Offer false
Title of 12(b) Security Common Stock, par value $0.01 per share
Trading Symbol FREVS
Security Exchange Name NONE
Entity Emerging Growth Company false