Investment in tenancy-in-common (Schedule of Income Statement of Pierre Property) (Details) - USD ($) $ in Thousands	3 Months Ended						9 Months Ended
	Jul. 31, 2022	Apr. 30, 2022	Jan. 31, 2022	Jul. 31, 2021	Apr. 30, 2021	Jan. 31, 2021	Jul. 31, 2022	Jul. 31, 2021
Schedule of Equity Method Investments [Line Items]
Revenue	$ 6,959			$ 12,542			$ 24,223	$ 38,100
Operating expenses	4,962			9,105			18,298	27,669
Depreciation	723			2,315			3,257	6,948
Operating income	1,997			3,437			5,925	10,431
Interest expense including amortization of deferred financing costs	1,774			3,050			6,229	9,242
Net (loss) income	1,814	$ 1,001	$ (69,153)	316	$ (63)	$ 779	69,966	1,032
FREIT's (loss) income on investment in TIC (65% interest)	57			(100)			(99)	(245)
Pierre Property [Member]
Schedule of Equity Method Investments [Line Items]
Revenue	2,067			1,900			5,990	5,674
Operating expenses	1,032			1,111			3,307	3,225
Depreciation	547			542			1,634	1,623
Operating income	488			247			1,049	826
Interest expense including amortization of deferred financing costs	400			401			1,201	1,203
Net (loss) income	88			(154)			(152)	(377)
FREIT's (loss) income on investment in TIC (65% interest)	$ 57			$ (100)			$ (99)	$ (245)