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DISCONTINUED OPERATIONS (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2015 USD ($) | Jan. 31, 2015 USD ($) | Oct. 31, 2014 USD ($) | Jul. 31, 2014 USD ($) | Apr. 30, 2014 USD ($) | Jan. 31, 2014 USD ($) | Oct. 31, 2013 USD ($) | Jul. 31, 2013 USD ($) | Apr. 30, 2015 USD ($) | Apr. 30, 2014 USD ($) Property | Apr. 30, 2013 USD ($) Property | Apr. 30, 2012 Property
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | $ 235,852,000 | $ 219,921,000 | $ 204,719,000 |
Tenant reimbursement |  |  |  |  |  |  |  |  | 43,818,000 | 45,561,000 | 43,339,000 |
TOTAL REVENUE | $ 70,759,000 | $ 72,916,000 | $ 70,885,000 | $ 68,630,000 | $ 67,806,000 | $ 68,433,000 | $ 65,772,000 | $ 65,098,000 | 283,190,000 | 267,109,000 | 248,058,000 |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  | 67,112,000 | 67,592,000 | 59,306,000 |
Utilities |  |  |  |  |  |  |  |  | 20,881,000 | 21,864,000 | 18,792,000 |
Maintenance |  |  |  |  |  |  |  |  | 30,924,000 | 31,158,000 | 28,340,000 |
Real estate taxes |  |  |  |  |  |  |  |  | 33,945,000 | 32,982,000 | 32,182,000 |
Insurance |  |  |  |  |  |  |  |  | 5,839,000 | 5,165,000 | 3,734,000 |
Property management expenses |  |  |  |  |  |  |  |  | 18,502,000 | 16,961,000 | 15,003,000 |
Other property expenses |  |  |  |  |  |  |  |  | 906,000 | 357,000 | 1,008,000 |
Other expenses |  |  |  |  |  |  |  |  | 2,010,000 | 2,132,000 | 2,173,000 |
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  | 3,495,000 | 3,326,000 | 3,027,000 |
Impairment of real estate investments |  |  |  |  |  |  |  |  | 6,105,000 | 42,566,000 |  |
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 204,540,000 | 236,177,000 | 172,059,000 |
Operating (loss) income |  |  |  |  |  |  |  |  | 78,650,000 | 33,412,000 | 81,083,000 |
Interest expense |  |  |  |  |  |  |  |  | (59,020,000) | (59,142,000) | (61,154,000) |
Other income |  |  |  |  |  |  |  |  | 723,000 | 483,000 | 526,000 |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,093,000 | 6,948,000 | 6,885,000 |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 0 | 6,450,000 | 9,295,000 |
Property Sale Data |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,093,000 | 6,948,000 | 6,885,000 |
Asset and Liability Data |  |  |  |  |  |  |  |  |  |  |  |
Total assets |  |  |  |  | 0 |  |  |  |  | 0 | 72,631,000 |
Total liabilities |  |  |  |  | $ 0 |  |  |  |  | $ 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 | Property |  |  |  |  |  |  |  |  |  | 2 | 3 |
Commercial Office [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 | Property |  |  |  |  |  |  |  |  |  | 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 | Property |  |  |  |  |  |  |  |  |  |  | 1 |
Commercial Industrial [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 | Property |  |  |  |  |  |  |  |  |  | 12 |  |
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 | Property |  |  |  |  |  |  |  |  |  | 3 | 1 | 1
Number of properties classified as held for sale | Property |  |  |  |  |  |  |  |  |  |  |  | 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 | Property |  |  |  |  |  |  |  |  |  |  | 4 | 8
Number of properties classified as held for sale | Property |  |  |  |  |  |  |  |  |  |  |  | 8
Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  |  | $ 3,173,000 | $ 10,068,000 |
Tenant reimbursement |  |  |  |  |  |  |  |  |  | 1,302,000 | 3,099,000 |
TOTAL REVENUE |  |  |  |  |  |  |  |  |  | 4,475,000 | 13,167,000 |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  |  | 920,000 | 3,169,000 |
Utilities |  |  |  |  |  |  |  |  |  | 164,000 | 447,000 |
Maintenance |  |  |  |  |  |  |  |  |  | 299,000 | 1,029,000 |
Real estate taxes |  |  |  |  |  |  |  |  |  | 951,000 | 2,276,000 |
Insurance |  |  |  |  |  |  |  |  |  | 97,000 | 218,000 |
Property management expenses |  |  |  |  |  |  |  |  |  | 222,000 | 520,000 |
Other property expenses |  |  |  |  |  |  |  |  |  | 0 | 16,000 |
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  |  | 90,000 | 247,000 |
Impairment of real estate investments |  |  |  |  |  |  |  |  | $ 0 | 1,860,000 | 305,000 |
TOTAL EXPENSES |  |  |  |  |  |  |  |  |  | 4,603,000 | 8,227,000 |
Operating (loss) income |  |  |  |  |  |  |  |  |  | (128,000) | 4,940,000 |
Interest expense |  |  |  |  |  |  |  |  |  | (421,000) | (2,532,000) |
Other income |  |  |  |  |  |  |  |  |  | 0 | 2,000 |
(Loss) income from discontinued operations before gain on sale |  |  |  |  |  |  |  |  |  | (549,000) | 2,410,000 |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  |  | 6,999,000 | 6,885,000 |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | 6,450,000 | 9,295,000 |
Property Sale Data |  |  |  |  |  |  |  |  |  |  |  |
Sales price |  |  |  |  |  |  |  |  |  | 80,883,000 | 26,273,000 |
Net book value and sales costs |  |  |  |  |  |  |  |  |  | (73,884,000) | (19,388,000) |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  |  | 6,999,000 | 6,885,000 |
Discontinued Operations [Member] | Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | (99,000) | 3,712,000 |
Discontinued Operations [Member] | Commercial Office [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | (1,794,000) | 314,000 |
Discontinued Operations [Member] | Commercial Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | 0 | 3,416,000 |
Discontinued Operations [Member] | Commercial Industrial [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | 8,923,000 | 2,118,000 |
Discontinued Operations [Member] | Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  | $ (580,000) | $ (265,000) |

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- Definition Amount of the cost of borrowed funds accounted for as interest expense. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-04.9) -URI http://asc.fasb.org/extlink&oid=6879574&loc=d3e536633-122882 + Details
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- Definition Amount classified as liabilities attributable to disposal group held for sale or disposed of. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 3 -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=51719941&loc=d3e2941-110230 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 10 -URI http://asc.fasb.org/extlink&oid=51716988&loc=d3e1107-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 11 -URI http://asc.fasb.org/extlink&oid=51716988&loc=SL51721533-107759 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 5B -Subparagraph (e) -URI http://asc.fasb.org/extlink&oid=51717284&loc=SL51721673-107760 + Details
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- Definition The net result for the period of deducting operating expenses from operating revenues. + References No definition available. + Details
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- Definition The total amount of revenue recognized for the period from operating leases, including minimum lease revenue, contingent revenue, percentage revenue and sublease revenue. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 840 -SubTopic 20 -Section 25 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=7501430&loc=d3e39896-112707 + Details
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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 + 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 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 + 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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- Definition Utilities costs incurred during the reporting period for services, such as water, sewer, gas, electricity and telephone required to operate a building. + 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=26872669&loc=d3e20235-122688 + Details
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