Anchor tenant termination and modification of lease (Details) - USD ($)	12 Months Ended
	Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2015	Jul. 26, 2017
Anchor Tenant Termination And Modification Of Lease Details
FREIT's ownership percentage in Wayne PSC	40.00%
Annual rental income paid by Macy's, Inc. for terminated leased property	$ 234,000
Lease termination fee	620,000
Expected total rental income lost from termination of lease	$ 200,000
Reduction in annual rent having adverse effect on future operating results				$ 250,000