Lease termination fee (Details) - USD ($)	3 Months Ended		6 Months Ended
	Apr. 30, 2017	Apr. 30, 2016	Apr. 30, 2017	Apr. 30, 2016
Lease Termination Fee Disclosure [Abstract]
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		620,000
Expected total rental income lost from termination of lease			$ 200,000