ACQUISITIONS, DEVELOPMENTS PLACED IN SERVICE AND DISPOSITIONS (Details) (USD $)	3 Months Ended			9 Months Ended			3 Months Ended																												3 Months Ended						3 Months Ended						3 Months Ended		3 Months Ended
	Jul. 31, 2014 sqft		Jul. 31, 2013	Jan. 31, 2014 Multi-Family Residential [Member] Property	Jan. 31, 2014 Commercial Office [Member] Property	Jan. 31, 2014 Commercial Industrial [Member] Property	Jul. 31, 2014 Acquisitions [Member]		Jul. 31, 2013 Acquisitions [Member]		Jul. 31, 2014 Acquisitions [Member] Multi-Family Residential [Member]		Jul. 31, 2013 Acquisitions [Member] Multi-Family Residential [Member]		Jul. 31, 2014 Acquisitions [Member] Unimproved Land [Member]		Jul. 31, 2013 Acquisitions [Member] Unimproved Land [Member]		Jul. 31, 2014 Acquisitions [Member] 71 France Phase I - Edina, MN [Member] Unimproved Land [Member]		Jul. 31, 2013 Acquisitions [Member] Alps Park - Rapid City, SD [Member] Multi-Family Residential [Member] Unit		Jul. 31, 2013 Acquisitions [Member] Chateau II - Minot, ND [Member] Unimproved Land [Member]		Jul. 31, 2014 Acquisitions [Member] Creekside Crossing - Bismarck, ND [Member] Unimproved Land [Member]		Jul. 31, 2014 Acquisitions [Member] Homestead Garden - Rapid City, SD [Member] Multi-Family Residential [Member] Unit		Jul. 31, 2014 Acquisitions [Member] PrairieCare Medical - Brooklyn Park, MN [Member] Unimproved Land [Member]		Jul. 31, 2014 Acquisitions [Member] Silver Springs - Rapid City, SD [Member] Multi-Family Residential [Member] Unit		Jul. 31, 2014 Development Projects Placed in Service [Member]		Jul. 31, 2014 Development Projects Placed in Service [Member] Dakota Commons - Williston, ND [Member] Multi-Family Residential [Member]		Apr. 30, 2014 Development Projects Placed in Service [Member] Dakota Commons - Williston, ND [Member] Multi-Family Residential [Member] Unit		Apr. 30, 2013 Development Projects Placed in Service [Member] Dakota Commons - Williston, ND [Member] Multi-Family Residential [Member]		Jul. 31, 2014 Dispositions [Member]	Jul. 31, 2014 Dispositions [Member] Commercial Office [Member]	Jul. 31, 2014 Dispositions [Member] Commercial Retail [Member]	Jul. 31, 2014 Dispositions [Member] Commercial Industrial [Member]	Jul. 31, 2014 Dispositions [Member] Dewey Hill - Edina, MN [Member] Commercial Office [Member]	Apr. 30, 2014 Dispositions [Member] Dewey Hill - Edina, MN [Member] Commercial Office [Member] sqft	Jul. 31, 2014 Dispositions [Member] Eagan 2785 & 2795 - Eagan, MN [Member] Commercial Industrial [Member]	Apr. 30, 2014 Dispositions [Member] Eagan 2785 & 2795 - Eagan, MN [Member] Commercial Industrial [Member] sqft	Jul. 31, 2014 Dispositions [Member] Weston Retail Weston WI [Member] Commercial Retail [Member]	Apr. 30, 2014 Dispositions [Member] Weston Retail Weston WI [Member] Commercial Retail [Member] sqft
Acquisitions and development projects placed in service [Abstract]
Transaction costs expensed	$ 75,000		$ 101,000
Date Acquisition																			Jun. 12, 2014	[1]	May 01, 2013		May 21, 2013		May 22, 2014		Jun. 02, 2014	[2]	Jun. 05, 2014		Jun. 02, 2014
Date placed in service																																			Jul. 15, 2014	[3],[4]
Total acquisition cost							26,578,000		6,379,000		18,280,000		6,200,000		8,298,000		179,000		1,413,000	[1]	6,200,000		179,000		4,269,000		15,000,000	[2]	2,616,000		3,280,000
Cash							12,996,000		3,099,000		6,111,000		2,920,000		6,885,000		179,000		0	[1]	2,920,000		179,000		4,269,000		5,092,000	[2]	2,616,000		1,019,000
Units									3,280,000	[5]			3,280,000	[5]			0	[5]			3,280,000	[5]	0	[5]
Other	3,212,000	[6]					13,582,000	[6]			12,169,000	[6]			1,413,000	[6]			1,413,000	[1],[6]					0	[6]	9,908,000	[2],[6]	0	[6]	2,261,000	[6]
Land							9,168,000		466,000		870,000		287,000		8,298,000		179,000		1,413,000	[1]	287,000		179,000		4,269,000		655,000	[2]	2,616,000		215,000		823,000	[3]	823,000	[3],[4]
Building							17,145,000		5,551,000		17,145,000		5,551,000		0		0		0	[1]	5,551,000		0		0		14,139,000	[2]	0		3,006,000		9,442,000	[3]	9,442,000	[3],[4]
Intangible assets							265,000		362,000		265,000		362,000		0		0		0	[1]	362,000		0		0		206,000	[2]	0		59,000
Development costs of projects placed in service																																	10,265,000	[3]	10,265,000	[3],[4]	2,200,000	[3],[4]	8,100,000	[3],[4]
Number of units																					71						152	[2]			52						44	[3],[4]
Interest held (in hundredths)																			5530.00%	[1]
Goodwill, Acquired During Period	852,000																										852,000,000	[2]
Noncash or Part Noncash Acquisition, Debt Assumed																											9,900,000	[2]			2,300,000
JV Partner Contributions																			1,400,000	[1]
Area of property	5,300,000
Results of operations from acquired properties [Abstract]
Total revenue	362,000		186,000
Net (loss) income	20,000		(108,000)
Dispositions [Abstract]
Date disposed																																													May 19, 2014		Jul. 15, 2014		Jul. 28, 2014
Sales price																																									6,700,000	3,100,000	0	3,600,000	3,100,000		3,600,000		0
Book value and sales cost																																									9,693,000	3,124,000	1,176,000	5,393,000	3,124,000		5,393,000		1,176,000
Gain/(Loss)																																									$ (2,993,000)	$ (24,000)	$ (1,176,000)	$ (1,793,000)	$ (24,000)		$ (1,793,000)		$ (1,176,000)
Number of properties sold				2	3	12
Area of a real estate property (in square feet)																																														73,338		198,600		25,644

[1] Land is owned by a joint venture in which the Company has an approximately 55.3% interest. The joint venture is consolidated in IRET’s financial statements.

[2] At acquisition the Company adjusted the assumed debt to fair value and recognized approximately $ 852,000 of goodwill.

[3] Development projects that are placed in service in phases are excluded from this table until the entire project has been placed in service. See Note 6 for additional information on the Renaissance Heights I project, which was partially placed in service during the fiscal year 2014 and the three months ended July 31, 2014.

[4] Development property placed in service July 15, 2014. Costs paid in fiscal year 2014 totaled $8.1 million, including the land acquired in fiscal year 2013. Additional costs paid in fiscal year 2015 totaled $2.2 million, for a total project cost at July 31, 2014 of $10.3 million.

[5] Value of limited partnership units of the Operating Partnership at the acquisition date.

[6] Consists of assumed debt (Homestead Garden I - $6.7 million, Homestead Garden II - $3.2 million, Silver Springs - $2.3 million) and value of land contributed by the joint