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DISCONTINUED OPERATIONS (Details) | 3 Months Ended | 12 Months Ended
--- | --- | ---
Apr. 30, 2016 USD ($) | Jan. 31, 2016 USD ($) | Oct. 31, 2015 USD ($) | Jul. 31, 2015 USD ($) | Apr. 30, 2015 USD ($) | Jan. 31, 2015 USD ($) | Oct. 31, 2014 USD ($) | Jul. 31, 2014 USD ($) | Apr. 30, 2016 USD ($) loan property | Apr. 30, 2015 USD ($) property | Apr. 30, 2014 USD ($) property
REVENUE |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | $ 170,698,000 | $ 159,969,000 | $ 145,028,000
Tenant reimbursement |  |  |  |  |  |  |  |  | 17,622,000 | 19,352,000 | 19,562,000
TOTAL REVENUE | $ 48,523,000 | $ 48,406,000 | $ 46,346,000 | $ 45,045,000 | $ 45,141,000 | $ 45,630,000 | $ 45,236,000 | $ 43,314,000 | 188,320,000 | 179,321,000 | 164,590,000
EXPENSES |  |  |  |  |  |  |  |  |  |  |
Property operating expenses, excluding real estate taxes |  |  |  |  |  |  |  |  | 58,859,000 | 53,535,000 | 50,552,000
Real estate taxes |  |  |  |  |  |  |  |  | 20,241,000 | 19,602,000 | 18,704,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 49,832,000 | 42,784,000 | 39,712,000
Impairment of real estate investments |  |  |  |  |  |  |  |  | 5,543,000 | 4,663,000 | 7,700,000
Other expenses |  |  |  |  |  |  |  |  | 2,231,000 | 1,647,000 | 1,850,000
Other property expenses |  |  |  |  |  |  |  |  | 830,000 |  |
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 148,803,000 | 134,417,000 | 129,540,000
Operating income (loss) |  |  |  |  |  |  |  |  | 39,517,000 | 44,904,000 | 37,530,000
Interest expense |  |  |  |  |  |  |  |  | (35,768,000) | (34,447,000) | (33,729,000)
Gain on extinguishment of debt |  |  |  |  |  |  |  |  | (106,000) |  |
Interest income |  |  |  |  |  |  |  |  | 2,256,000 | 2,238,000 | 1,906,000
Other income |  |  |  |  |  |  |  |  | 317,000 | 718,000 | 242,000
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 33,423,000 | 6,093,000 | 6,948,000
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 57,322,000 | 9,178,000 | (22,838,000)
Property Sale Data |  |  |  |  |  |  |  |  |  |  |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 33,423,000 | $ 6,093,000 | 6,948,000
Discontinued Operations [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 |  |  |  |  |  |  |  |  |  | 0 |
REVENUE |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | 43,544,000 | $ 75,883,000 | 78,066,000
Tenant reimbursement |  |  |  |  |  |  |  |  | 8,684,000 | 24,466,000 | 27,301,000
TRS senior housing revenue |  |  |  |  |  |  |  |  | 3,955,000 | 3,520,000 | 1,627,000
TOTAL REVENUE |  |  |  |  |  |  |  |  | 56,183,000 | 103,869,000 | 106,994,000
EXPENSES |  |  |  |  |  |  |  |  |  |  |
Property operating expenses, excluding real estate taxes |  |  |  |  |  |  |  |  | 10,252,000 | 23,517,000 | 25,735,000
Real estate taxes |  |  |  |  |  |  |  |  | 5,777,000 | 14,343,000 | 15,229,000
Depreciation and amortization |  |  |  |  |  |  |  |  | 14,166,000 | 27,823,000 | 32,216,000
Impairment of real estate investments |  |  |  |  |  |  |  |  | 440,000 | 1,442,000 | 36,726,000
TRS senior housing expenses |  |  |  |  |  |  |  |  | 3,366,000 | 2,997,000 | 1,331,000
Other expenses |  |  |  |  |  |  |  |  |  | 1,000 | 3,000
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 34,001,000 | 70,123,000 | 111,240,000
Operating income (loss) |  |  |  |  |  |  |  |  | 22,182,000 | 33,746,000 | (4,246,000)
Interest expense |  |  |  |  |  |  |  |  | (18,406,000) | (24,573,000) | (25,834,000)
Gain on extinguishment of debt |  |  |  |  |  |  |  |  | 29,336,000 |  |
Interest income |  |  |  |  |  |  |  |  | 1,000 |  | 2,000
Other income |  |  |  |  |  |  |  |  | 427,000 | 5,000 | 241,000
Income (Loss) from discontinued operations before gain on sale |  |  |  |  |  |  |  |  | 33,540,000 | 9,178,000 | (29,837,000)
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 23,782,000 |  | 6,999,000
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 57,322,000 | 9,178,000 | (22,838,000)
Default interest |  |  |  |  |  |  |  |  | 4,700,000 | 528,000 |
Non-recourse loan | $ 122,600,000 |  |  |  | $ 122,600,000 |  |  |  | 122,600,000 | 122,600,000 |
Gain on extinguishment of debt from transfer of ownership |  |  |  |  |  |  |  |  | $ 36,500,000 |  |
Number of loan properties | loan |  |  |  |  |  |  |  |  | 9 |  |
Property Sale Data |  |  |  |  |  |  |  |  |  |  |
Sales price |  |  |  |  |  |  |  |  | $ 373,460,000 |  | 80,883,000
Net book value and sales costs |  |  |  |  |  |  |  |  | (349,678,000) |  | (73,884,000)
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 23,782,000 |  | 6,999,000
Discontinued Operations [Member] | Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  |  |  | (99,000)
Discontinued Operations [Member] | Commercial Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 5,926,000 | 6,832,000 | 4,223,000
Discontinued Operations [Member] | Other Segments [Member] |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |
INCOME (LOSS) FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | $ 51,396,000 | $ 2,346,000 | $ (26,962,000)
Discontinued Operations, Disposed of by Sale [Member] | Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties disposed | property |  |  |  |  |  |  |  |  |  |  | 2
Discontinued Operations, Disposed of by Sale [Member] | 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 |  |  |  |  |  |  |  |  | 48 |  |
Number of real estate properties disposed | property |  |  |  |  |  |  |  |  |  |  | 3
Discontinued Operations, Disposed of by Sale [Member] | 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 |  |
Discontinued Operations, Disposed of by Sale [Member] | Industrial [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of real estate properties disposed | property |  |  |  |  |  |  |  |  |  |  | 12
Discontinued Operations, Disposed of by Sale [Member] | 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 |  |  |  |  |  |  |  |  | 17 |  |
Number of real estate properties disposed | property |  |  |  |  |  |  |  |  |  |  | 3
Discontinued Operations, Held-for-sale [Member] | Senior Housing properties [Member] |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |
Number of properties classified as held for sale | property |  |  |  |  |  |  |  |  | 34 |  |

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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 Other real estate revenue not otherwise specified in the taxonomy. + 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 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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