Document and Entity Information - shares	6 Months Ended
	Apr. 30, 2020	Jun. 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	Apr. 30, 2020
Document Fiscal Year Focus	2020
Document Fiscal Period Focus	Q2
Entity Tax Identification Number	04-2458042
Entity Address, State or Province	CT
Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		10,071,981
Class A Common Stock [Member]
Entity Information [Line Items]
Entity Common Stock, Shares Outstanding		29,994,064