Document and Entity Information - shares	9 Months Ended
	Jul. 31, 2020	Sep. 03, 2020
Entity Information [Line Items]
Entity Registrant Name	URSTADT BIDDLE PROPERTIES INC
Entity Central Index Key	0001029800
Current Fiscal Year End Date	--10-31
Entity Current Reporting Status	Yes
Entity Interactive Data Current	Yes
Entity Shell Company	false
Entity Filer Category	Accelerated Filer
Entity Small Business	false
Entity Emerging Growth Company	false
Document Type	10-Q
Amendment Flag	false
Document Period End Date	Jul. 31, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q3
Document Quarterly Report	true
Document Transition Report	false
Entity File Number	1-12803
Entity Tax Identification Number	04-2458042
Entity Incorporation, State or Country Code	MD
Entity Address, Address Line One	321 Railroad Avenue,
Entity Address, City or Town	Greenwich
Entity Address, State or Province	CT
Entity Address, Postal Zip Code	06830
City Area Code	203
Local Phone Number	863-8200
Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		10,072,522
Title of 12(b) Security	Common Stock, par value $.01 per share
Trading Symbol	UBP
Security Exchange Name	NYSE
Class A Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		29,994,390
Title of 12(b) Security	Class A Common Stock, par value $.01 per share
Trading Symbol	UBA
Security Exchange Name	NYSE
6.25% Series H Cumulative Preferred Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	6.25% Series H Cumulative Preferred Stock
Trading Symbol	UBPPRH
Security Exchange Name	NYSE
5.875% Series K Cumulative Preferred Stock [Member]
Entity Information [Line Items]
Title of 12(b) Security	5.875% Series K Cumulative Preferred Stock
Trading Symbol	UBPPRK
Security Exchange Name	NYSE
Common Stock Rights to Purchase Preferred Shares [Member]
Entity Information [Line Items]
No Trading Symbol Flag	true
Title of 12(b) Security	Common Stock Rights to Purchase Preferred Shares
Security Exchange Name	NYSE
Class A Common Stock Rights to Purchase Preferred Shares [Member]
Entity Information [Line Items]
No Trading Symbol Flag	true
Title of 12(b) Security	Class A Common Stock Rights to Purchase Preferred Shares
Security Exchange Name	NYSE