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DISCONTINUED OPERATIONS (Details) (USD $) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2014 | Jan. 31, 2014 | Oct. 31, 2013 | Jul. 31, 2013 | Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2014 | Apr. 30, 2013 | Apr. 30, 2012
REVENUE |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | $ 219,921,000 | $ 204,719,000 | $ 188,299,000
Tenant reimbursement |  |  |  |  |  |  |  |  | 45,561,000 | 43,339,000 | 40,372,000
TOTAL REVENUE | 66,983,000 | 67,629,000 | 65,772,000 | 65,098,000 | 64,184,000 | 63,080,000 | 61,864,000 | 58,930,000 | 265,482,000 | 248,058,000 | 228,671,000
EXPENSES |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  | 67,592,000 | 59,306,000 | 53,690,000
Utilities |  |  |  |  |  |  |  |  | 21,864,000 | 18,792,000 | 17,106,000
Maintenance |  |  |  |  |  |  |  |  | 31,158,000 | 28,340,000 | 25,530,000
Real estate taxes |  |  |  |  |  |  |  |  | 32,982,000 | 32,182,000 | 29,349,000
Insurance |  |  |  |  |  |  |  |  | 5,165,000 | 3,734,000 | 3,343,000
Property management expenses |  |  |  |  |  |  |  |  | 16,961,000 | 15,003,000 | 18,164,000
Other property expenses |  |  |  |  |  |  |  |  | 357,000 | 1,008,000 | (142,000)
Other expenses |  |  |  |  |  |  |  |  | 2,132,000 | 2,173,000 | 1,898,000
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  | 3,326,000 | 3,027,000 | 2,960,000
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 234,846,000 | 172,059,000 | 159,279,000
Operating income |  |  |  |  |  |  |  |  | 33,116,000 | 81,083,000 | 69,666,000
Interest expense |  |  |  |  |  |  |  |  | (59,142,000) | (61,154,000) | (61,801,000)
Interest income |  |  |  |  |  |  |  |  | 1,908,000 | 222,000 | 148,000
Other income |  |  |  |  |  |  |  |  | 779,000 | 526,000 | 631,000
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 6,450,000 | 9,295,000 | 1,062,000
Asset and Liability Data |  |  |  |  |  |  |  |  |  |  |
Total assets | 0 |  |  |  | 72,631,000 |  |  |  | 0 | 72,631,000 |
Total liabilities | 0 |  |  |  | (1,335,000) |  |  |  | 0 | (1,335,000) |
Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  | 2 | 3 |
Commercial Office [Member] | Grand Chute, Wisconsin [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  | 3 |  |
Commercial Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  |  | 1 |
Commercial Industrial [Member] | Kentwood, Michigan [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  | 12 |  |
Commercial Retail [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  | 3 | 1 | 1
Number of properties classified as held for sale |  |  |  |  |  |  |  |  |  |  | 1
Condominium Unit [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties classified as discontinued operations |  |  |  |  |  |  |  |  |  | 4 | 8
Number of properties classified as held for sale |  |  |  |  |  |  |  |  |  |  | 8
Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | 3,173,000 | 10,068,000 | 10,702,000
Tenant reimbursement |  |  |  |  |  |  |  |  | 1,302,000 | 3,099,000 | 2,619,000
TOTAL REVENUE |  |  |  |  |  |  |  |  | 4,475,000 | 13,167,000 | 13,321,000
EXPENSES |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  | 920,000 | 3,169,000 | 3,418,000
Utilities |  |  |  |  |  |  |  |  | 164,000 | 447,000 | 561,000
Maintenance |  |  |  |  |  |  |  |  | 299,000 | 1,029,000 | 1,070,000
Real estate taxes |  |  |  |  |  |  |  |  | 951,000 | 2,276,000 | 2,428,000
Insurance |  |  |  |  |  |  |  |  | 97,000 | 218,000 | 211,000
Property management expenses |  |  |  |  |  |  |  |  | 222,000 | 520,000 | 759,000
Other property expenses |  |  |  |  |  |  |  |  | 0 | 16,000 | 4,000
Other expenses |  |  |  |  |  |  |  |  | 0 | 0 | 67,000
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  | 90,000 | 247,000 | 256,000
Impairment of real estate investments |  |  |  |  |  |  |  |  | 1,860,000 | 305,000 | 428,000
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 4,603,000 | 8,227,000 | 9,202,000
Operating income |  |  |  |  |  |  |  |  | (128,000) | 4,940,000 | 4,119,000
Interest expense |  |  |  |  |  |  |  |  | (421,000) | (2,532,000) | (3,429,000)
Other income |  |  |  |  |  |  |  |  | 0 | 2,000 | 23,000
Income (loss) from discontinued operations before gain on sale |  |  |  |  |  |  |  |  | (549,000) | 2,410,000 | 713,000
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,999,000 | 6,885,000 | 349,000
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 6,450,000 | 9,295,000 | 1,062,000
Property Sale Data |  |  |  |  |  |  |  |  |  |  |
Sales price |  |  |  |  |  |  |  |  | 80,883,000 | 26,273,000 | 3,237,000
Net book value and sales costs |  |  |  |  |  |  |  |  | (73,884,000) | (19,388,000) | (2,888,000)
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,999,000 | 6,885,000 | 349,000
Discontinued Operations [Member] | Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | (99,000) | 3,712,000 | 100,000
Discontinued Operations [Member] | Commercial Office [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | (1,794,000) | 314,000 | 52,000
Discontinued Operations [Member] | Commercial Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 0 | 3,416,000 | (465,000)
Discontinued Operations [Member] | Commercial Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 8,923,000 | 2,118,000 | 1,127,000
Discontinued Operations [Member] | Commercial Retail [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | $ (580,000) | $ (265,000) | $ 248,000

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- Definition Amount of general expenses not normally included in Other Operating Costs and Expenses. + 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 210.5-03.6) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 6 -Article 5 + Details
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- Definition The net amount of other income and expense amounts, the components of which are not separately disclosed on the income statement, resulting from ancillary business-related activities (that is, excluding major activities considered part of the normal operations of the business) also known as other nonoperating income (expense) recognized for the period. Such amounts may include: (a) dividends, (b) interest on securities, (c) net gains or losses on securities, (d) unusual costs, (e) gains or losses on foreign exchange transactions, and (f) miscellaneous other income and expense items. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 9 -Article 5 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.9) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The aggregate costs related to management of owned properties during the reporting period. + 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(d)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition A contract to provide coverage or protection in exchange for a payment or "premium". Examples of insurance protection include liability and property insurance. The entity paying the premiums for the protection will have insurance expense and possibly an asset, Prepaid Insurance (if the premiums are paid in advance). + 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 210.5-03.6) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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- Definition The aggregate revenue from real estate operations during the reporting period. + 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(e)) -URI http://asc.fasb.org/extlink&oid=26872669&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
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- Definition A tax based on the assessed value of real estate by the local government. The tax is usually based on the value of property (including the land). + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 720 -SubTopic 30 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6419918&loc=d3e35301-107843 + Details
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- Definition In accordance with the provisions of their lease agreement, this element represents allowable charges due a landlord from its tenant. In retail store and office building leases, for example, tenant reimbursements may cover items such as taxes, utilities, and common area expenses. + 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(e)) -URI http://asc.fasb.org/extlink&oid=26872669&loc=d3e20235-122688 + Details
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