SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Schedule of Properties) (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2021		Oct. 31, 2020	Oct. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 310,276
Initial Cost to Company
Land		62,954
Buildings and Improvements		115,523
Costs Capitalized Subsequent to Acquisition
Land		13,139
Improvements		195,304
Carrying Costs
Gross Amount at Which Carried at Close of Period
Land		76,093
Buildings and Improvements		310,827
Total		386,920	[1]	$ 385,853	$ 448,866
Accumulated Depreciation		115,621		107,137	118,363
Real estate:
Balance, beginning of year		385,853		448,866	456,658
Additions - Buildings and improvements		1,883		2,055	3,386
Disposal: Buildings and improvements		(816)		(585)	(240)
Tenant improvement write-off due to COVID-19				(8,910)
Sale of property					(10,938)
Deconsolidation of subsidiary				(55,573)
Balance, end of year		386,920	[1]	385,853	448,866
Accumulated depreciation:
Balance, beginning of year		107,137		118,363	111,967
Additions - Charged to operating expenses		9,300		10,341	11,339
Tenant improvement write-off due to COVID-19 - Charged to operating expenses				(1,637)
Disposal - Buildings and improvements		(816)		(583)	(217)
Sale of property					(4,726)
Deconsolidation of subsidiary				(19,347)
Balance, end of year		115,621		$ 107,137	$ 118,363
Residential Properties [Member] | Steuben Arms, River Edge, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		9,545
Initial Cost to Company
Land		364
Buildings and Improvements		1,773
Costs Capitalized Subsequent to Acquisition
Land
Improvements		1,531
Gross Amount at Which Carried at Close of Period
Land		364
Buildings and Improvements		3,304
Total	[1]	3,668
Accumulated Depreciation		2,989
Real estate:
Balance, end of year	[1]	3,668
Accumulated depreciation:
Balance, end of year		$ 2,989
Residential Properties [Member] | Steuben Arms, River Edge, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Steuben Arms, River Edge, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Berdan Court, Wayne, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 28,815
Initial Cost to Company
Land		250
Buildings and Improvements		2,206
Costs Capitalized Subsequent to Acquisition
Land
Improvements		4,991
Gross Amount at Which Carried at Close of Period
Land		250
Buildings and Improvements		7,197
Total	[1]	7,447
Accumulated Depreciation		5,957
Real estate:
Balance, end of year	[1]	7,447
Accumulated depreciation:
Balance, end of year		$ 5,957
Residential Properties [Member] | Berdan Court, Wayne, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Berdan Court, Wayne, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Westwood Hills, Westwood, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 25,000
Initial Cost to Company
Land		3,849
Buildings and Improvements		11,546
Costs Capitalized Subsequent to Acquisition
Land
Improvements		2,919
Gross Amount at Which Carried at Close of Period
Land		3,849
Buildings and Improvements		14,465
Total	[1]	18,314
Accumulated Depreciation		10,107
Real estate:
Balance, end of year	[1]	18,314
Accumulated depreciation:
Balance, end of year		$ 10,107
Residential Properties [Member] | Westwood Hills, Westwood, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Westwood Hills, Westwood, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		39 years
Residential Properties [Member] | Boulders - Rockaway, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 14,453
Initial Cost to Company
Land		1,632
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land		3,386
Improvements		16,091
Gross Amount at Which Carried at Close of Period
Land		5,018
Buildings and Improvements		16,091
Total	[1]	21,109
Accumulated Depreciation		6,628
Real estate:
Balance, end of year	[1]	21,109
Accumulated depreciation:
Balance, end of year		$ 6,628
Residential Properties [Member] | Boulders - Rockaway, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Boulders - Rockaway, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Regency Club - Middletown, NY [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 14,921
Initial Cost to Company
Land		2,833
Buildings and Improvements		17,792
Costs Capitalized Subsequent to Acquisition
Land
Improvements		973
Gross Amount at Which Carried at Close of Period
Land		2,833
Buildings and Improvements		18,765
Total	[1]	21,598
Accumulated Depreciation		3,663
Cost for Federal income tax purposes		13,500
Real estate:
Balance, end of year	[1]	21,598
Accumulated depreciation:
Balance, end of year		$ 3,663
Residential Properties [Member] | Regency Club - Middletown, NY [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Regency Club - Middletown, NY [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Icon - Baltimore, MD [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 64,086
Initial Cost to Company
Land	[2]	5,871
Buildings and Improvements	[2]
Costs Capitalized Subsequent to Acquisition
Land	[2]
Improvements	[2]	87,884
Gross Amount at Which Carried at Close of Period
Land	[2]	5,871
Buildings and Improvements	[2]	87,884
Total	[1]	93,755
Accumulated Depreciation	[2]	11,563
Real estate:
Balance, end of year	[1]	93,755
Accumulated depreciation:
Balance, end of year	[2]	$ 11,563
Residential Properties [Member] | Icon - Baltimore, MD [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Icon - Baltimore, MD [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Station Place, Red Bank [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 11,971
Initial Cost to Company
Land		8,793
Buildings and Improvements		10,757
Costs Capitalized Subsequent to Acquisition
Land
Improvements		19
Gross Amount at Which Carried at Close of Period
Land		8,793
Buildings and Improvements		10,776
Total	[1]	19,569
Accumulated Depreciation		1,055
Cost for Federal income tax purposes		4,200
Real estate:
Balance, end of year	[1]	19,569
Accumulated depreciation:
Balance, end of year		$ 1,055
Residential Properties [Member] | Station Place, Red Bank [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Station Place, Red Bank [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Westwood Plaza and Damascus Shopping Center [Member] | Damascus Shopping Center, Damascus, MD [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 18,274
Initial Cost to Company
Land	[2]	2,950
Buildings and Improvements	[2]	6,987
Costs Capitalized Subsequent to Acquisition
Land	[2]	6,296
Improvements	[2]	17,232
Gross Amount at Which Carried at Close of Period
Land	[2]	9,246
Buildings and Improvements	[2]	24,219
Total	[1],[2]	33,465
Accumulated Depreciation	[2]	8,765
Real estate:
Balance, end of year	[1],[2]	33,465
Accumulated depreciation:
Balance, end of year	[2]	$ 8,765
Westwood Plaza and Damascus Shopping Center [Member] | Damascus Shopping Center, Damascus, MD [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Damascus Shopping Center, Damascus, MD [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		39 years 6 months
Westwood Plaza and Damascus Shopping Center [Member] | Franklin Crossing, Franklin Lakes, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		29
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land		3,382
Improvements		7,438
Gross Amount at Which Carried at Close of Period
Land		3,411
Buildings and Improvements		7,438
Total	[1]	10,849
Accumulated Depreciation		4,545
Real estate:
Balance, end of year	[1]	10,849
Accumulated depreciation:
Balance, end of year		$ 4,545
Westwood Plaza and Damascus Shopping Center [Member] | Franklin Crossing, Franklin Lakes, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Franklin Crossing, Franklin Lakes, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		39 years 6 months
Westwood Plaza and Damascus Shopping Center [Member] | Glen Rock, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		12
Buildings and Improvements		36
Costs Capitalized Subsequent to Acquisition
Land
Improvements		164
Gross Amount at Which Carried at Close of Period
Land		12
Buildings and Improvements		200
Total	[1]	212
Accumulated Depreciation		164
Real estate:
Balance, end of year	[1]	212
Accumulated depreciation:
Balance, end of year		$ 164
Westwood Plaza and Damascus Shopping Center [Member] | Glen Rock, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Glen Rock, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		25 years
Westwood Plaza and Damascus Shopping Center [Member] | Westridge Square S/C, Frederick, MD [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 21,188
Initial Cost to Company
Land	[2]	9,135
Buildings and Improvements	[2]	19,159
Costs Capitalized Subsequent to Acquisition
Land	[2]	(1)
Improvements	[2]	4,796
Gross Amount at Which Carried at Close of Period
Land	[2]	9,134
Buildings and Improvements	[2]	23,955
Total	[1],[2]	33,089
Accumulated Depreciation	[2]	21,463
Real estate:
Balance, end of year	[1],[2]	33,089
Accumulated depreciation:
Balance, end of year	[2]	$ 21,463
Westwood Plaza and Damascus Shopping Center [Member] | Westridge Square S/C, Frederick, MD [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Westridge Square S/C, Frederick, MD [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		31 years 6 months
Westwood Plaza and Damascus Shopping Center [Member] | Westwood Plaza, Westwood, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 18,001
Initial Cost to Company
Land		6,889
Buildings and Improvements		6,416
Costs Capitalized Subsequent to Acquisition
Land
Improvements		2,389
Gross Amount at Which Carried at Close of Period
Land		6,889
Buildings and Improvements		8,805
Total	[1]	15,694
Accumulated Depreciation		8,643
Real estate:
Balance, end of year	[1]	15,694
Accumulated depreciation:
Balance, end of year		$ 8,643
Westwood Plaza and Damascus Shopping Center [Member] | Westwood Plaza, Westwood, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Westwood Plaza, Westwood, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		31 years 6 months
Westwood Plaza and Damascus Shopping Center [Member] | Preakness S/C, Wayne, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances		$ 22,588
Initial Cost to Company
Land		9,280
Buildings and Improvements		24,217
Costs Capitalized Subsequent to Acquisition
Land
Improvements		2,799
Gross Amount at Which Carried at Close of Period
Land		9,280
Buildings and Improvements		27,016
Total	[1]	36,296
Accumulated Depreciation		13,174
Real estate:
Balance, end of year	[1]	36,296
Accumulated depreciation:
Balance, end of year		$ 13,174
Westwood Plaza and Damascus Shopping Center [Member] | Preakness S/C, Wayne, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | Preakness S/C, Wayne, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		39 years 6 months
Westwood Plaza and Damascus Shopping Center [Member] | The Rotunda, Baltimore, MD [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances	[2]	$ 52,434
Initial Cost to Company
Land	[2]	10,392
Buildings and Improvements	[2]	14,634
Costs Capitalized Subsequent to Acquisition
Land	[2]	232
Improvements	[2]	46,078
Gross Amount at Which Carried at Close of Period
Land	[2]	10,624
Buildings and Improvements	[2]	60,712
Total	[1],[2]	71,336
Accumulated Depreciation	[2]	16,905
Cost for Federal income tax purposes		163,200
Real estate:
Balance, end of year	[1],[2]	71,336
Accumulated depreciation:
Balance, end of year	[2]	$ 16,905
Westwood Plaza and Damascus Shopping Center [Member] | The Rotunda, Baltimore, MD [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		5 years
Westwood Plaza and Damascus Shopping Center [Member] | The Rotunda, Baltimore, MD [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Land Leased [Member] | Rockaway, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		114
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land
Improvements
Gross Amount at Which Carried at Close of Period
Land		114
Buildings and Improvements
Total	[1]	114
Accumulated Depreciation
Real estate:
Balance, end of year	[1]	114
Accumulated depreciation:
Balance, end of year
Vacant Land [Member] | Rockaway, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		51
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land
Improvements
Gross Amount at Which Carried at Close of Period
Land		51
Buildings and Improvements
Total	[1]	51
Accumulated Depreciation
Real estate:
Balance, end of year	[1]	51
Accumulated depreciation:
Balance, end of year
Vacant Land [Member] | Franklin Lakes, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		224
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land		(156)
Improvements
Gross Amount at Which Carried at Close of Period
Land		68
Buildings and Improvements
Total	[1]	68
Accumulated Depreciation
Real estate:
Balance, end of year	[1]	68
Accumulated depreciation:
Balance, end of year
Vacant Land [Member] | Wayne, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances
Initial Cost to Company
Land		286
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land
Improvements
Gross Amount at Which Carried at Close of Period
Land		286
Buildings and Improvements
Total	[1]	286
Accumulated Depreciation
Real estate:
Balance, end of year	[1]	286
Accumulated depreciation:
Balance, end of year

[1] Total cost for each property is the same for federal income tax purposes, with the exception of the Regency Club, Station Place and the Rotunda properties (Icon and The Rotunda) whose cost for federal income tax purposes is approximately $13.5 million, $4.2 million and $163.2 million, respectively.

[2] The properties owned by Grande Rotunda, WestFREIT and Damascus Centre were sold on December 30, 2021, January 7, 2022 and January 10, 2022, respectively. See Note 17 to FREIT Maryland’s consolidated financial statements for additional details.