SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Schedule of Properties) (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2019		Oct. 31, 2018	Oct. 31, 2017	Oct. 31, 2019
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances						$ 352,790
Initial Cost to Company
Land						71,344
Buildings and Improvements						153,009
Costs Capitalized Subsequent to Acquisition
Land						13,158
Improvements						211,355
Carrying Costs
Gross Amount at Which Carried at Close of Period
Land						84,502
Buildings and Improvements						364,364
Total		$ 448,866	[1]	$ 456,658	$ 433,288	448,866	[1]
Accumulated Depreciation		118,363		111,967	101,194	118,363
Real estate:
Balance, beginning of year		456,658		433,288	429,445
Additions - Buildings and improvements		3,386		4,562	6,602
Disposal: Buildings and improvements		(240)		(742)	(443)
Acquisition of property				19,550
Sale of property		(10,938)			(2,316)
Balance, end of year		448,866	[1]	456,658	433,288
Accumulated depreciation:
Balance, beginning of year		111,967		101,194	92,547
Additions - Charged to operating expenses		11,339		11,515	10,667
Disposal - Buildings and improvements		(217)		(742)	(409)
Sale of property		(4,726)			(1,611)
Balance, end of year		118,363		$ 111,967	$ 101,194
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						10,021
Initial Cost to Company
Land						364
Buildings and Improvements						1,773
Costs Capitalized Subsequent to Acquisition
Land
Improvements						1,501
Gross Amount at Which Carried at Close of Period
Land						364
Buildings and Improvements						3,274
Total	[1]	3,638				3,638
Accumulated Depreciation		2,883				2,883
Real estate:
Balance, end of year	[1]	3,638
Accumulated depreciation:
Balance, end of year		$ 2,883
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						4,779
Gross Amount at Which Carried at Close of Period
Land						250
Buildings and Improvements						6,985
Total	[1]	$ 7,235				7,235
Accumulated Depreciation		5,613				5,613
Real estate:
Balance, end of year	[1]	7,235
Accumulated depreciation:
Balance, end of year		$ 5,613
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						19,617
Initial Cost to Company
Land						3,849
Buildings and Improvements						11,546
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,808
Gross Amount at Which Carried at Close of Period
Land						3,849
Buildings and Improvements						14,354
Total	[1]	$ 18,203				18,203
Accumulated Depreciation		9,269				9,269
Real estate:
Balance, end of year	[1]	18,203
Accumulated depreciation:
Balance, end of year		$ 9,269
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] | Pierre Towers, Hackensack, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances						48,000
Initial Cost to Company
Land						8,390
Buildings and Improvements						37,486
Costs Capitalized Subsequent to Acquisition
Land						19
Improvements						9,653
Gross Amount at Which Carried at Close of Period
Land						8,409
Buildings and Improvements						47,139
Total	[1]	$ 55,548				55,548
Accumulated Depreciation		18,887				18,887
Cost for Federal income tax purposes						43,100
Real estate:
Balance, end of year	[1]	55,548
Accumulated depreciation:
Balance, end of year		$ 18,887
Residential Properties [Member] | Pierre Towers, Hackensack, NJ [Member] | Minimum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Pierre Towers, Hackensack, NJ [Member] | Maximum [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 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						15,615
Initial Cost to Company
Land						1,632
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land						3,386
Improvements						15,951
Gross Amount at Which Carried at Close of Period
Land						5,018
Buildings and Improvements						15,951
Total	[1]	$ 20,969				20,969
Accumulated Depreciation		5,744				5,744
Real estate:
Balance, end of year	[1]	20,969
Accumulated depreciation:
Balance, end of year		$ 5,744
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						15,588
Initial Cost to Company
Land						2,833
Buildings and Improvements						17,792
Costs Capitalized Subsequent to Acquisition
Land
Improvements						730
Gross Amount at Which Carried at Close of Period
Land						2,833
Buildings and Improvements						18,522
Total	[1]	$ 21,355				21,355
Accumulated Depreciation		2,620				2,620
Cost for Federal income tax purposes						13,300
Real estate:
Balance, end of year	[1]	21,355
Accumulated depreciation:
Balance, end of year		$ 2,620
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						65,186
Initial Cost to Company
Land						5,871
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land
Improvements						87,726
Gross Amount at Which Carried at Close of Period
Land						5,871
Buildings and Improvements						87,726
Total	[1]	$ 93,597				93,597
Accumulated Depreciation		7,135				7,135
Real estate:
Balance, end of year	[1]	93,597
Accumulated depreciation:
Balance, end of year		$ 7,135
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						12,350
Initial Cost to Company
Land						8,793
Buildings and Improvements						10,757
Costs Capitalized Subsequent to Acquisition
Land
Improvements						1
Gross Amount at Which Carried at Close of Period
Land						8,793
Buildings and Improvements						10,758
Total	[1]	$ 19,551				19,551
Accumulated Depreciation		516				516
Cost for Federal income tax purposes						4,200
Real estate:
Balance, end of year	[1]	19,551
Accumulated depreciation:
Balance, end of year		$ 516
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						19,354
Initial Cost to Company
Land						2,950
Buildings and Improvements						6,987
Costs Capitalized Subsequent to Acquisition
Land						6,296
Improvements						17,630
Gross Amount at Which Carried at Close of Period
Land						9,246
Buildings and Improvements						24,617
Total	[1]	$ 33,863				33,863
Accumulated Depreciation		7,727				7,727
Real estate:
Balance, end of year	[1]	33,863
Accumulated depreciation:
Balance, end of year		$ 7,727
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						7,444
Gross Amount at Which Carried at Close of Period
Land						3,411
Buildings and Improvements						7,444
Total	[1]	$ 10,855				10,855
Accumulated Depreciation		4,209				4,209
Real estate:
Balance, end of year	[1]	10,855
Accumulated depreciation:
Balance, end of year		$ 4,209
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						235
Gross Amount at Which Carried at Close of Period
Land						12
Buildings and Improvements						271
Total	[1]	$ 283				283
Accumulated Depreciation		198				198
Real estate:
Balance, end of year	[1]	283
Accumulated depreciation:
Balance, end of year		$ 198
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						22,200
Initial Cost to Company
Land						9,135
Buildings and Improvements						19,159
Costs Capitalized Subsequent to Acquisition
Land						(1)
Improvements						4,788
Gross Amount at Which Carried at Close of Period
Land						9,134
Buildings and Improvements						23,947
Total	[1]	$ 33,081				33,081
Accumulated Depreciation		19,683				19,683
Real estate:
Balance, end of year	[1]	33,081
Accumulated depreciation:
Balance, end of year		$ 19,683
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						18,973
Initial Cost to Company
Land						6,889
Buildings and Improvements						6,416
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,374
Gross Amount at Which Carried at Close of Period
Land						6,889
Buildings and Improvements						8,790
Total	[1]	$ 15,679				15,679
Accumulated Depreciation		8,558				8,558
Real estate:
Balance, end of year	[1]	15,679
Accumulated depreciation:
Balance, end of year		$ 8,558
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						23,737
Initial Cost to Company
Land						9,280
Buildings and Improvements						24,217
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,877
Gross Amount at Which Carried at Close of Period
Land						9,280
Buildings and Improvements						27,094
Total	[1]	$ 36,374				36,374
Accumulated Depreciation		11,873				11,873
Real estate:
Balance, end of year	[1]	36,374
Accumulated depreciation:
Balance, end of year		$ 11,873
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						53,334
Initial Cost to Company
Land						10,392
Buildings and Improvements						14,634
Costs Capitalized Subsequent to Acquisition
Land						232
Improvements						52,858
Gross Amount at Which Carried at Close of Period
Land						10,624
Buildings and Improvements						67,492
Total	[1]	$ 78,116				78,116
Accumulated Depreciation		13,448				13,448
Cost for Federal income tax purposes						169,900
Real estate:
Balance, end of year	[1]	78,116
Accumulated depreciation:
Balance, end of year		$ 13,448
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				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				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				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				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 Pierre Towers, the Regency Club, Station Place and the Rotunda properties (Icon and The Rotunda) whose cost for federal income tax purposes is approximately $43.1 million, $13.3 million, $4.2 million and $169.9 million, respectively.