XML 81 R55.htm IDEA: XBRL DOCUMENT
v2.4.0.8

ACQUISITIONS AND DISPOSITIONS (Details) (USD $) | 12 Months Ended
--- | ---
Apr. 30, 2013 | Apr. 30, 2012
Significant Acquisitions and Disposals [Line Items] |  |  |  |
Cash paid for acquisition of property | $ 135,800,000 |  | $ 97,100,000 |
Assumed debt | 12,500,000 |  | 7,200,000 |
Noncontrolling Interest in Operating Partnerships | 12,600,000 |  | 8,100,000 |
Estimated cost of construction | 25,800,000 |  |  |
Transaction costs expensed during the period |  |  | 542,000 |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 29,361,000 |  | 12,479,000 |
Buildings | 77,316,000 |  | 64,010,000 |
Intangible assets | 1,564,000 |  | 417,000 |
Acquisition costs | 108,241,000 |  | 76,906,000 |
Results of operations from acquired properties [Abstract] |  |  |  |
Total revenue | 6,497,000 |  | 4,213,000 |
Net income | (66,000) |  | 950,000 |
Dispositions [Abstract] |  |  |  |
Sales price | 26,273,000 |  | 3,237,000 |
Book value and sales cost | 19,388,000 |  | 2,888,000 |
Gain/(Loss) | 6,885,000 |  | 349,000 |
Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 6,854,000 |  | 4,265,000 |
Buildings | 77,316,000 |  | 33,320,000 |
Intangible assets | 1,564,000 |  | 0 |
Acquisition costs | 85,734,000 |  | 37,585,000 |
Dispositions [Abstract] |  |  |  |
Sales price | 8,850,000 |  |  |
Book value and sales cost | 5,272,000 |  |  |
Gain/(Loss) | 3,578,000 |  |  |
Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land |  |  | 3,198,000 |
Buildings |  |  | 30,690,000 |
Intangible assets |  |  | 417,000 |
Acquisition costs |  |  | 34,305,000 |
Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 22,507,000 |  | 5,016,000 |
Buildings | 0 |  | 0 |
Intangible assets | 0 |  | 0 |
Acquisition costs | 22,507,000 |  | 5,016,000 |
Other Disposition [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Sales price | 698,000 |  |  |
Book value and sales cost | 757,000 |  |  |
Gain/(Loss) | (59,000) |  |  |
Arcata - Golden Valley, MN [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Apr. 30, 2013 |  |  |
Land | 2,088,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 2,088,000 |  |  |
Ashland Grand Forks ND [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Mar. 16, 2012 |
Land |  |  | 741,000 |
Buildings |  |  | 7,569,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 8,310,000 |
Number of apartment units |  |  | 84 |
Badger Hills Rochester, MN [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Dec. 14, 2012 | [1] |  |
Land | 1,050,000 | [1] |  |
Buildings | 0 | [1] |  |
Intangible assets | 0 | [1] |  |
Acquisition costs | 1,050,000 | [1] |  |
Bismarck 4916 - Bismarck, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Apr. 12, 2013 |  |  |
Land | 3,250,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 3,250,000 |  |  |
Candlelight - Fargo, ND [Member] | Multi-Family Residential [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of apartment units | 66 |  |  |
Date Disposal | Nov. 27, 2012 |  |  |
Sales price | 1,950,000 |  |  |
Book value and sales cost | 1,178,000 |  |  |
Gain/(Loss) | 772,000 |  |  |
Colony - Lincoln, NE [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jun. 04, 2012 |  |  |
Land | 1,515,000 |  |  |
Buildings | 15,731,000 |  |  |
Intangible assets | 254,000 |  |  |
Acquisition costs | 17,500,000 |  |  |
Number of apartment units | 232 |  |  |
Commons at Southgate - Minot, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jan. 22, 2013 | [2] |  |
Land | 3,691,000 | [2] |  |
Buildings | 0 | [2] |  |
Intangible assets | 0 | [2] |  |
Acquisition costs | 3,691,000 | [2] |  |
Cottage West Twin Homes - Sioux Falls, SD [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Oct. 12, 2011 |
Land |  |  | 968,000 |
Buildings |  |  | 3,762,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 4,730,000 |
Number of apartment units |  |  | 50 |
Cypress Court - St. Cloud, MN [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Aug. 10, 2012 |  |  |
Land | 447,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 447,000 |  |  |
Cypress Court Apartment Development St. Cloud, MN [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Aug. 10, 2012 | [3] |  |
Land | 1,136,000 | [3] |  |
Buildings | 0 | [3] |  |
Intangible assets | 0 | [3] |  |
Acquisition costs | 1,136,000 | [3] |  |
East Grand Station East Grand Forks, MN [Member] | Commercial Retail [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Area of a real estate property (in square feet) |  |  | 12,556 |
Date Disposal |  |  | Mar. 03, 2012 |
Sales price |  |  | 1,062,000 |
Book value and sales cost |  |  | 1,302,000 |
Gain/(Loss) |  |  | (240,000) |
Edina 6525 Drew Ave S Edina, MN [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Oct. 13, 2011 |
Land |  |  | 388,000 |
Buildings |  |  | 117,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 505,000 |
Area of a real estate property (in square feet) |  |  | 3,431 |
Evergreen II - Isanti, MN [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Nov. 01, 2011 |
Land |  |  | 691,000 |
Buildings |  |  | 2,784,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 3,475,000 |
Number of apartment units |  |  | 36 |
Gables Townhomes - Sioux Falls, SD [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Oct. 12, 2011 |
Land |  |  | 349,000 |
Buildings |  |  | 1,921,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 2,270,000 |
Number of apartment units |  |  | 24 |
Georgetown Square Condominiums 5 and 6 [Member] | Other Disposition [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Date Disposal | Jun. 21, 2012 |  |  |
Sales price | 330,000 |  |  |
Book value and sales cost | 336,000 |  |  |
Gain/(Loss) | (6,000) |  |  |
Georgetown Square Condominiums 3 and 4 [Member] | Other Disposition [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Date Disposal | Aug. 02, 2012 |  |  |
Sales price | 368,000 |  |  |
Book value and sales cost | 421,000 |  |  |
Gain/(Loss) | (53,000) |  |  |
Grand Forks Grand Forks, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Dec. 31, 2012 |  |  |
Land | 4,278,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 4,278,000 |  |  |
Grand Forks 2150 Grand Forks, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Mar. 25, 2013 |  |  |
Land | 1,600,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 1,600,000 |  |  |
Grand Gateway St Cloud MN [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Feb. 16, 2012 |
Land |  |  | 814,000 |
Buildings |  |  | 7,086,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 7,900,000 |
Number of apartment units |  |  | 116 |
Industrial-Office Build-to-Suit - Minot, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 07, 2011 |
Land |  |  | 416,000 |
Buildings |  |  | 0 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 416,000 |
Kentwood Thomasville Kentwood, MI [Member] | Commercial Retail [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Area of a real estate property (in square feet) | 16,080 |  |  |
Date Disposal | Jun. 20, 2012 |  |  |
Sales price | 625,000 |  |  |
Book value and sales cost | 692,000 |  |  |
Gain/(Loss) | (67,000) |  |  |
Lakeside Village - Lincoln, NE [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jun. 04, 2012 |  |  |
Land | 1,215,000 |  |  |
Buildings | 15,837,000 |  |  |
Intangible assets | 198,000 |  |  |
Acquisition costs | 17,250,000 |  |  |
Number of apartment units | 208 |  |  |
Landing at Southgate - Minot, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jan. 22, 2013 | [2] |  |
Land | 2,262,000 | [2] |  |
Buildings | 0 | [2] |  |
Intangible assets | 0 | [2] |  |
Acquisition costs | 2,262,000 | [2] |  |
Livingstone Pamida Livingston, MT [Member] | Commercial Retail [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Area of a real estate property (in square feet) |  |  | 41,200 |
Date Disposal |  |  | Aug. 01, 2011 |
Sales price |  |  | 2,175,000 |
Book value and sales cost |  |  | 1,586,000 |
Gain/(Loss) |  |  | 589,000 |
Meadow Wind Land Casper, WY [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 50,000 |
Buildings |  |  | 0 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 50,000 |
Minot (Southgate Lot 4) - Minot, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jan. 11, 2013 |  |  |
Land | 1,882,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 1,882,000 |  |  |
Prairiewood Meadows - Fargo, ND [Member] | Multi-Family Residential [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of apartment units | 85 |  |  |
Date Disposal | Sep. 27, 2012 |  |  |
Sales price | 3,450,000 |  |  |
Book value and sales cost | 2,846,000 |  |  |
Gain/(Loss) | 604,000 |  |  |
Ponds at Heritage Place - Sartell, MN [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Oct. 10, 2012 |  |  |
Land | 395,000 |  |  |
Buildings | 4,564,000 |  |  |
Intangible assets | 61,000 |  |  |
Acquisition costs | 5,020,000 |  |  |
Number of apartment units | 58 |  |  |
Regency Park Estates - St. Cloud, MN [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Aug. 01, 2011 |
Land |  |  | 702,000 |
Buildings |  |  | 10,198,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 10,900,000 |
Number of apartment units |  |  | 147 |
Renaissance Heights Williston ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Apr. 11, 2012 |
Land |  |  | 4,600,000 |
Buildings |  |  | 0 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 4,600,000 |
Spring Creek American Falls - American Falls, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 145,000 |
Buildings |  |  | 3,870,000 |
Intangible assets |  |  | 55,000 |
Acquisition costs |  |  | 4,070,000 |
Area of a real estate property (in square feet) |  |  | 17,273 |
Spring Creek Soda Springs - Soda Springs, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 66,000 |
Buildings |  |  | 2,134,000 |
Intangible assets |  |  | 30,000 |
Acquisition costs |  |  | 2,230,000 |
Area of a real estate property (in square feet) |  |  | 15,571 |
Spring Creek Eagle - Eagle, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 263,000 |
Buildings |  |  | 3,775,000 |
Intangible assets |  |  | 62,000 |
Acquisition costs |  |  | 4,100,000 |
Area of a real estate property (in square feet) |  |  | 15,559 |
Spring Creek Meridian - Meridian, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 424,000 |
Buildings |  |  | 6,724,000 |
Intangible assets |  |  | 102,000 |
Acquisition costs |  |  | 7,250,000 |
Area of a real estate property (in square feet) |  |  | 31,820 |
Spring Creek Overland Boise, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 687,000 |
Buildings |  |  | 5,941,000 |
Intangible assets |  |  | 97,000 |
Acquisition costs |  |  | 6,725,000 |
Area of a real estate property (in square feet) |  |  | 26,605 |
Spring Creek-Boise - Boise, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 708,000 |
Buildings |  |  | 4,296,000 |
Intangible assets |  |  | 71,000 |
Acquisition costs |  |  | 5,075,000 |
Area of a real estate property (in square feet) |  |  | 16,311 |
Spring Creek Ustick - Meridian, ID [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 01, 2011 |
Land |  |  | 467,000 |
Buildings |  |  | 3,833,000 |
Intangible assets |  |  | 0 |
Acquisition costs |  |  | 4,300,000 |
Area of a real estate property (in square feet) |  |  | 26,605 |
Stevens Point Stevens Point WI [Member] | Commercial-Healthcare [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Area of a real estate property (in square feet) | 47,950 |  |  |
Date Disposal | Apr. 25, 2013 |  |  |
Sales price | 16,100,000 |  |  |
Book value and sales cost | 12,667,000 |  |  |
Gain/(Loss) | 3,433,000 |  |  |
Terrace on the Green Fargo, ND [Member] | Multi-Family Residential [Member] |  |  |  |
Dispositions [Abstract] |  |  |  |
Number of apartment units | 116 |  |  |
Date Disposal | Sep. 27, 2012 |  |  |
Sales price | 3,450,000 |  |  |
Book value and sales cost | 1,248,000 |  |  |
Gain/(Loss) | 2,202,000 |  |  |
University Commons Williston, ND [Member] | Unimproved Land [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Aug. 01, 2012 |  |  |
Land | 823,000 |  |  |
Buildings | 0 |  |  |
Intangible assets | 0 |  |  |
Acquisition costs | 823,000 |  |  |
Villa West - Topeka, KS [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | May 08, 2012 |  |  |
Land | 1,590,000 |  |  |
Buildings | 15,760,000 |  |  |
Intangible assets | 300,000 |  |  |
Acquisition costs | 17,650,000 |  |  |
Number of apartment units | 308 |  |  |
Whispering Ridge - Omaha, NE [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Apr. 24, 2013 |  |  |
Land | 2,139,000 |  |  |
Buildings | 25,424,000 |  |  |
Intangible assets | 751,000 |  |  |
Acquisition costs | 28,314,000 |  |  |
Number of apartment units | 336 |  |  |
Development Projects Placed in Service [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 0 |  | 700,000 |
Buildings | 27,529,000 |  | 19,494,000 |
Acquisition costs | 27,529,000 |  | 20,194,000 |
Area of a real estate property (in square feet) | 3,702 | [4] |  |
Development Projects Placed in Service [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 0 |  |  |
Buildings | 14,005,000 |  |  |
Acquisition costs | 14,005,000 |  |  |
Development Projects Placed in Service [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Land | 0 |  | 0 |
Buildings | 8,272,000 |  | 9,637,000 |
Acquisition costs | 8,272,000 |  | 9,637,000 |
Development Projects Placed in Service [Member] | Arrowhead First International Bank - Minot ND [Member] | Commercial Retail [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Mar. 19, 2013 | [4] |  |
Land | 0 | [4] |  |
Buildings | 1,165,000 | [4] |  |
Acquisition costs | 1,165,000 | [4] |  |
Development Projects Placed in Service [Member] | Quarry Ridge II - Rochester, MN [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jun. 29, 2012 | [5] |  |
Land | 0 | [5] |  |
Buildings | 4,591,000 | [5] |  |
Acquisition costs | 4,591,000 | [5] |  |
Number of apartment units | 159 | [5] |  |
Development Projects Placed in Service [Member] | First Avenue - Minot ND [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Apr. 15, 2013 | [6] |  |
Land | 0 | [6] |  |
Buildings | 2,356,000 | [6] |  |
Acquisition costs | 2,356,000 | [6] |  |
Number of apartment units | 20 | [6] |  |
Development Projects Placed in Service [Member] | Jamestown Buffalo Mall - Jamestown, ND [Member] | Commercial Retail [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Jun. 15, 2011 |
Land |  |  | 0 |
Buildings |  |  | 879,000 |
Acquisition costs |  |  | 879,000 |
Area of a real estate property (in square feet) |  |  | 19,037 | [7]
Development Projects Placed in Service [Member] | Jamestown Medical Office Building - Jamestown, ND [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jan. 01, 2013 | [8] |  |
Land | 0 | [8] |  |
Buildings | 6,597,000 | [8] |  |
Acquisition costs | 6,597,000 | [8] |  |
Area of a real estate property (in square feet) | 45,222 | [8] |  |
Development Projects Placed in Service [Member] | Meadow Winds Addition Casper, WY [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Dec. 30, 2011 | [9]
Land |  |  | 0 | [9]
Buildings |  |  | 3,952,000 | [9]
Acquisition costs |  |  | 3,952,000 | [9]
Area of a real estate property (in square feet) |  |  | 22,193 | [9]
Development Projects Placed in Service [Member] | Minot IPS - Minot, ND [Member] | Commercial Industrial [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Dec. 17, 2012 | [10] |  |
Land | 0 | [10] |  |
Buildings | 4,087,000 | [10] |  |
Acquisition costs | 4,087,000 | [10] |  |
Area of a real estate property (in square feet) | 27,698 | [10] |  |
Development Projects Placed in Service [Member] | Spring Wind Expansion Laramie, WY [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Nov. 16, 2012 | [11] |  |
Land | 0 | [11] |  |
Buildings | 1,675,000 | [11] |  |
Acquisition costs | 1,675,000 | [11] |  |
Area of a real estate property (in square feet) | 26,662 | [11] |  |
Development Projects Placed in Service [Member] | Trinity at Plaza 16 - Minot, ND [Member] | Commercial-Healthcare [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Sep. 23, 2011 | [12]
Land |  |  | 0 | [12]
Buildings |  |  | 5,685,000 | [12]
Acquisition costs |  |  | 5,685,000 | [12]
Area of a real estate property (in square feet) |  |  | 24,795 |
Development Projects Placed in Service [Member] | Williston Garden Buildings 1 and 2 - Williston, ND [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition |  |  | Apr. 27, 2012 | [13]
Land |  |  | 700,000 | [13]
Buildings |  |  | 8,978,000 | [13]
Acquisition costs |  |  | 9,678,000 | [13]
Number of apartment units |  |  | 72 | [13]
Development Projects Placed in Service [Member] | Williston Garden Buildings 3 and 4 Williston, ND [Member] | Multi-Family Residential [Member] |  |  |  |
Acquisitions and development projects placed in service [Abstract] |  |  |  |
Date Acquisition | Jul. 31, 2012 | [14] |  |
Land | 0 | [14] |  |
Buildings | 7,058,000 | [14] |  |
Acquisition costs | $ 7,058,000 | [14] |  |
Number of apartment units | 73 | [14] |  |
[1] | Acquisition of unimproved land consisted of two parcels acquired separately on December 14 and December 20, 2012, respectively.
[2] | Land is owned by a joint venture entity in which the Company has an approximately 51% interest. The joint venture is consolidated in IRET’s financial statements.
[3] | Land is owned by a joint venture in which the Company has an approximately 79% interest. The joint venture is consolidated in IRET’s financial statements.
[4] | Development property placed in service March 19, 2013. Additional costs paid in fiscal year 2012 totaled approximately $75,000, for a total project cost at April 30, 2013 of $1.2 million
[5] | Development property placed in service June 29, 2012. Additional costs paid in fiscal years 2012 and 2011, and land acquired in fiscal year 2007, totaled $13.0 million, for a total project cost at April 30, 2013 of $17.6 million.
[6] | Redevelopment property placed in service April 15, 2013. Additional costs paid in fiscal years 2012 and 2011 totaled approximately $321,000, for a total project cost at April 30, 2013 of $2.7 million.
[7] | Construction project placed in service June 15, 2011. Additional costs paid in fiscal year 2011 totaled $1.4 million, for a total project cost at April 30, 2012 of $2.3 million.
[8] | Development property placed in service January 1, 2013. Additional costs paid in fiscal year 2012 totaled $1.0 million, for a total project cost at April 30, 2013 of $7.6 million.
[9] | Expansion project placed in service December 30, 2011.
[10] | Development property placed in service December 17, 2012. Additional costs paid in fiscal year 2012 totaled $1.8 million, for a total project cost at April 30, 2013 of $5.9 million.
[11] | Expansion project placed in service November 16, 2012. Additional costs paid in fiscal year 2012 totaled $1.8 million, for a total project cost at April 30, 2013 of $3.5 million.
[12] | Development property placed in service September 23, 2011. Additional costs paid in fiscal year 2011 totaled $3.3 million, for a total project cost at April 30, 2012 of $9.0 million.
[13] | Development property placed in service April 27, 2012. Buildings 3 and 4 of this project are expected to be placed in service during the first quarter of fiscal year 2013.
[14] | Development property placed in service July 31, 2012. Buildings 1 and 2 were placed in service in fiscal year 2012. Additional costs paid in fiscal year 2012 totaled $12.0 million, for a total project cost at April 30, 2013 of $19.1 million.

X
- Details
Name: | iret_AcquisitionsAndDevelopmentProjectsPlacedInServiceAbstract
Namespace Prefix: | iret_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Date of acquisition, in CCYY-MM-DD format. + References No definition available. + Details
Name: | iret_AcquisitionsDateOfTransactionForAcquisitionOrDisposal
Namespace Prefix: | iret_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Definition Area of a real estate property acquisitions. + References No definition available. + Details
Name: | iret_AreaOfRealEstatePropertyAcquisitions
Namespace Prefix: | iret_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Area of a real estate property disposed. + References No definition available. + Details
Name: | iret_AreaOfRealEstatePropertyDispositions
Namespace Prefix: | iret_
Data Type: | num:areaItemType
Balance Type: | na
Period Type: | instant

X
- Definition Date of disposal, in CCYY-MM-DD format. + References No definition available. + Details
Name: | iret_DisposalsDateOfTransactionForAcquisitionOrDisposal
Namespace Prefix: | iret_
Data Type: | xbrli:dateItemType
Balance Type: | na
Period Type: | duration

X
- Details
Name: | iret_DispositionsAbstract
Namespace Prefix: | iret_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition Estimated cost of construction. + References No definition available. + Details
Name: | iret_EstimatedCostOfConstruction
Namespace Prefix: | iret_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Number of apartment units acquired. + References No definition available. + Details
Name: | iret_NumberOfApartmentUnitsAcquisitions
Namespace Prefix: | iret_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Number of apartment units disposed. + References No definition available. + Details
Name: | iret_NumberOfApartmentUnitsDispositions
Namespace Prefix: | iret_
Data Type: | xbrli:integerItemType
Balance Type: | na
Period Type: | instant

X
- Definition Transaction costs expensed during the period. + References No definition available. + Details
Name: | iret_TransactionCostsExpensedDuringPeriod
Namespace Prefix: | iret_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition Amount of cash paid to acquire the entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityCashPaid
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The acquisition-date fair value of the equity interests of the acquirer, including the number of instruments or interests issued or issuable in consideration for the business combination. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 88-16 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph d -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph f(4) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 39 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionCostOfAcquiredEntityEquityInterestsIssuedAndIssuable
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of acquisition cost of a business combination allocated to buildings included in real estate. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationBuildings
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of acquisition cost of a business combination allocated to assets, excluding financial assets and goodwill, lacking physical substance. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationIntangibleAssetsOtherThanGoodwill
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition Amount of acquisition cost of a business combination allocated to land included in real estate. + References No definition available. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationLand
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Definition The amount of acquisition cost of a business combination allocated to the noncurrent portion of the long-term debt assumed from the acquired entity. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 51 -Subparagraph e -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Emerging Issues Task Force (EITF) -Number 98-1 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141 -Paragraph 37 -Subparagraph g -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessAcquisitionPurchasePriceAllocationNoncurrentLiabilitiesLongTermDebt
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | instant

X
- Details
Name: | us-gaap_BusinessCombinationProFormaInformationAbstract
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration

X
- Definition This element represents the amount of earnings or loss of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessCombinationProFormaInformationEarningsOrLossOfAcquireeSinceAcquisitionDateActual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition This element represents the amount of revenue of the acquiree since the acquisition date included in the consolidated income statement for the reporting period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 805 -SubTopic 10 -Section 50 -Paragraph 2 -Subparagraph (h)(1) -URI http://asc.fasb.org/extlink&oid=7659399&loc=d3e1392-128463 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 141R -Paragraph 68 -Subparagraph r(1) -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_BusinessCombinationProFormaInformationRevenueOfAcquireeSinceAcquisitionDateActual
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Reflects for the period the total of the carrying amount of the commercial, industrial and residential land and buildings sold plus certain overhead and other costs incurred to place the real estate in saleable condition, capitalized interest costs in the properties sold, and inventory impairment losses recognized. This element would most likely be used by an entity whose principal activities involve real estate or which has significant real estate operations. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.2) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 + Details
Name: | us-gaap_CostOfRealEstateSales
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | duration

X
- Definition The gains (losses) included in results of operations resulting from the sale or disposal of property, plant and equipment, which do not qualify for treatment as discontinued operations. This item does not include any gain (loss) recognized on the sale of oil and gas property or timber property. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6391110&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 45 -Paragraph 5 -URI http://asc.fasb.org/extlink&oid=8077374&loc=d3e2443-110228 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 37, 41, 42, 43, 45 -LegacyDoc This reference is SUPERSEDED by the Accounting Standards Codification effective for interim and annual periods ending after September 15, 2009. This reference is included to help users transition from the previous accounting hierarchy and will be removed from future versions of this taxonomy. + Details
Name: | us-gaap_GainLossOnDispositionOfProperty
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition Aggregate revenue recognized during the period (derived from goods sold, services rendered, insurance premiums, or other activities that constitute an entity's earning process). For financial services companies, also includes investment and interest income, and sales and trading gains. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.1) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 1 -Article 5 + Details
Name: | us-gaap_Revenues
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | credit
Period Type: | duration

X
- Definition The value of all consideration given or received by the Entity in the significant acquisition or disposal. + References No definition available. + Details
Name: | us-gaap_SignificantAcquisitionsAndDisposalsAcquisitionCostsOrSaleProceeds
Namespace Prefix: | us-gaap_
Data Type: | xbrli:monetaryItemType
Balance Type: | debit
Period Type: | instant

X
- Details
Name: | us-gaap_SignificantAcquisitionsAndDisposalsLineItems
Namespace Prefix: | us-gaap_
Data Type: | xbrli:stringItemType
Balance Type: | na
Period Type: | duration