SCHEDULE III - REAL ESTATE AND ACCUMULATED DEPRECIATION (Schedule of Properties) (Details) - USD ($) $ in Thousands		12 Months Ended
		Oct. 31, 2018		Oct. 31, 2017	Oct. 31, 2016	Oct. 31, 2018
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances						$ 350,504
Initial Cost to Company
Land						73,472
Buildings and Improvements						161,827
Costs Capitalized Subsequent to Acquisition
Land						13,158
Improvements						208,201
Carrying Costs
Gross Amount at Which Carried at Close of Period
Land						86,630
Buildings and Improvements						370,028
Total		$ 433,288		$ 429,445	$ 409,297	456,658	[1]
Accumulated Depreciation		101,194		92,547	88,452	111,967
Real estate:
Balance, beginning of year		433,288		429,445	409,297
Additions - Buildings and improvements		4,562		6,602	26,206
Disposal: Buildings and improvements		(742)		(443)	(3,513)
Acquisition of property		19,550
Sale of property				(2,316)	(2,545)
Balance, end of year		456,658	[1]	433,288	429,445
Accumulated depreciation:
Balance, beginning of year		101,194		92,547	88,452
Additions - Charged to operating expenses		11,515		10,667	7,852
Disposal - Buildings and improvements		(742)		(409)	(3,466)
Sale of property				(1,611)	(291)
Balance, end of year		111,967		$ 101,194	$ 92,547
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						10,243
Initial Cost to Company
Land						364
Buildings and Improvements						1,773
Costs Capitalized Subsequent to Acquisition
Land
Improvements						1,490
Gross Amount at Which Carried at Close of Period
Land						364
Buildings and Improvements						3,263
Total	[1]	3,627				3,627
Accumulated Depreciation		2,823				2,823
Real estate:
Balance, end of year	[1]	3,627
Accumulated depreciation:
Balance, end of year		2,823
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						17,334
Initial Cost to Company
Land						250
Buildings and Improvements						2,206
Costs Capitalized Subsequent to Acquisition
Land
Improvements						4,626
Gross Amount at Which Carried at Close of Period
Land						250
Buildings and Improvements						6,832
Total	[1]	7,082				7,082
Accumulated Depreciation		5,419				5,419
Real estate:
Balance, end of year	[1]	7,082
Accumulated depreciation:
Balance, end of year		5,419
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						20,134
Initial Cost to Company
Land						3,849
Buildings and Improvements						11,546
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,667
Gross Amount at Which Carried at Close of Period
Land						3,849
Buildings and Improvements						14,213
Total	[1]	18,062				18,062
Accumulated Depreciation		8,831				8,831
Real estate:
Balance, end of year	[1]	18,062
Accumulated depreciation:
Balance, end of year		8,831
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						9,254
Gross Amount at Which Carried at Close of Period
Land						8,409
Buildings and Improvements						46,740
Total	[1]	55,149				55,149
Accumulated Depreciation		17,530				17,530
Cost for Federal income tax purposes						42,700
Real estate:
Balance, end of year	[1]	55,149
Accumulated depreciation:
Balance, end of year		17,530
Residential Properties [Member] | Boulders - Rockaway, NJ [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances						16,152
Initial Cost to Company
Land						1,632
Buildings and Improvements
Costs Capitalized Subsequent to Acquisition
Land						3,386
Improvements						15,835
Gross Amount at Which Carried at Close of Period
Land						5,018
Buildings and Improvements						15,835
Total	[1]	20,853				20,853
Accumulated Depreciation		5,314				5,314
Real estate:
Balance, end of year	[1]	20,853
Accumulated depreciation:
Balance, end of year		5,314
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						15,922
Initial Cost to Company
Land						2,833
Buildings and Improvements						17,792
Costs Capitalized Subsequent to Acquisition
Land
Improvements						713
Gross Amount at Which Carried at Close of Period
Land						2,833
Buildings and Improvements						18,505
Total	[1]	21,338				21,338
Accumulated Depreciation		2,107				2,107
Cost for Federal income tax purposes						13,300
Real estate:
Balance, end of year	[1]	21,338
Accumulated depreciation:
Balance, end of year		2,107
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						87,667
Gross Amount at Which Carried at Close of Period
Land						5,871
Buildings and Improvements						87,667
Total	[1]	93,538				93,538
Accumulated Depreciation		4,927				4,927
Real estate:
Balance, end of year	[1]	93,538
Accumulated depreciation:
Balance, end of year		4,927
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
Gross Amount at Which Carried at Close of Period
Land						8,793
Buildings and Improvements						10,757
Total	[1]	19,550				19,550
Accumulated Depreciation		247				247
Cost for Federal income tax purposes						4,200
Real estate:
Balance, end of year	[1]	19,550
Accumulated depreciation:
Balance, end of year		$ 247
Residential Properties [Member] | Minimum [Member] | Steuben Arms, River Edge, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Berdan Court, Wayne, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Westwood Hills, Westwood, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Pierre Towers, Hackensack, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Boulders - Rockaway, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Regency Club - Middletown, NY [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Icon - Baltimore, MD [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Minimum [Member] | Station Place - Red Bank [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		7 years
Residential Properties [Member] | Maximum [Member] | Steuben Arms, River Edge, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Berdan Court, Wayne, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Westwood Hills, Westwood, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		39 years
Residential Properties [Member] | Maximum [Member] | Pierre Towers, Hackensack, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Boulders - Rockaway, NJ [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Regency Club - Middletown, NY [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Icon - Baltimore, MD [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		40 years
Residential Properties [Member] | Maximum [Member] | Station Place - Red Bank [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						19,865
Initial Cost to Company
Land						2,950
Buildings and Improvements						6,987
Costs Capitalized Subsequent to Acquisition
Land						6,296
Improvements						17,454
Gross Amount at Which Carried at Close of Period
Land						9,246
Buildings and Improvements						24,441
Total	[1]	$ 33,687				33,687
Accumulated Depreciation		6,913				6,913
Real estate:
Balance, end of year	[1]	33,687
Accumulated depreciation:
Balance, end of year		6,913
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						7,407
Gross Amount at Which Carried at Close of Period
Land						3,411
Buildings and Improvements						7,407
Total	[1]	10,818				10,818
Accumulated Depreciation		3,996				3,996
Real estate:
Balance, end of year	[1]	10,818
Accumulated depreciation:
Balance, end of year		3,996
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						219
Gross Amount at Which Carried at Close of Period
Land						12
Buildings and Improvements						255
Total	[1]	267				267
Accumulated Depreciation		177				177
Real estate:
Balance, end of year	[1]	267
Accumulated depreciation:
Balance, end of year		177
Westwood Plaza and Damascus Shopping Center [Member] | Pathmark Super Center, Patchogue, NY [Member]
SEC Schedule, 12-28, Real Estate Companies, Investment in Real Estate and Accumulated Depreciation [Line Items]
Encumbrances						5,231
Initial Cost to Company
Land						2,128
Buildings and Improvements						8,818
Costs Capitalized Subsequent to Acquisition
Land
Improvements						(8)
Gross Amount at Which Carried at Close of Period
Land						2,128
Buildings and Improvements						8,810
Total	[1]	10,938				10,938
Accumulated Depreciation		4,670				4,670
Real estate:
Balance, end of year	[1]	10,938
Accumulated depreciation:
Balance, end of year		4,670
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						22,710
Initial Cost to Company
Land						9,135
Buildings and Improvements						19,159
Costs Capitalized Subsequent to Acquisition
Land						(1)
Improvements						4,682
Gross Amount at Which Carried at Close of Period
Land						9,134
Buildings and Improvements						23,841
Total	[1]	32,975				32,975
Accumulated Depreciation		18,780				18,780
Real estate:
Balance, end of year	[1]	32,975
Accumulated depreciation:
Balance, end of year		18,780
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						19,611
Initial Cost to Company
Land						6,889
Buildings and Improvements						6,416
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,453
Gross Amount at Which Carried at Close of Period
Land						6,889
Buildings and Improvements						8,869
Total	[1]	15,758				15,758
Accumulated Depreciation		8,399				8,399
Real estate:
Balance, end of year	[1]	15,758
Accumulated depreciation:
Balance, end of year		8,399
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						24,432
Initial Cost to Company
Land						9,280
Buildings and Improvements						24,217
Costs Capitalized Subsequent to Acquisition
Land
Improvements						2,374
Gross Amount at Which Carried at Close of Period
Land						9,280
Buildings and Improvements						26,591
Total	[1]	35,871				35,871
Accumulated Depreciation		11,123				11,123
Real estate:
Balance, end of year	[1]	35,871
Accumulated depreciation:
Balance, end of year		11,123
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						51,368
Gross Amount at Which Carried at Close of Period
Land						10,624
Buildings and Improvements						66,002
Total	[1]	76,626				76,626
Accumulated Depreciation		10,711				10,711
Cost for Federal income tax purposes						168,700
Real estate:
Balance, end of year	[1]	76,626
Accumulated depreciation:
Balance, end of year		$ 10,711
Westwood Plaza and Damascus Shopping Center [Member] | Minimum [Member] | Damascus Shopping Center, Damascus, MD [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] | Minimum [Member] | Franklin Crossing, Franklin Lakes, NJ [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] | Minimum [Member] | Glen Rock, NJ [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] | Minimum [Member] | Pathmark Super Center, Patchogue, NY [Member]
Gross Amount at Which Carried at Close of Period
Life on Which Depreciation is Computed		15 years
Westwood Plaza and Damascus Shopping Center [Member] | Minimum [Member] | Westridge Square S/C, Frederick, MD [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] | Minimum [Member] | Westwood Plaza, Westwood, NJ [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] | Minimum [Member] | Preakness S/C, Wayne, NJ [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] | Minimum [Member] | The Rotunda, Baltimore, MD [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] | Maximum [Member] | Damascus Shopping Center, Damascus, MD [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] | Maximum [Member] | Franklin Crossing, Franklin Lakes, NJ [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] | Maximum [Member] | Glen Rock, NJ [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] | Maximum [Member] | Pathmark Super Center, Patchogue, NY [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] | Maximum [Member] | Westridge Square S/C, Frederick, MD [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] | Maximum [Member] | Westwood Plaza, Westwood, NJ [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] | Maximum [Member] | Preakness S/C, Wayne, NJ [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] | Maximum [Member] | The Rotunda, Baltimore, MD [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 $42.7 million, $13.3 million, $4.2 million and $168.7 million, respectively.