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DISCONTINUED OPERATIONS (Details) (USD $) | 3 Months Ended | 12 Months Ended |
--- | --- | --- | ---
Apr. 30, 2013 | Jan. 31, 2013 | Oct. 31, 2012 | Jul. 31, 2012 | Apr. 30, 2012 | Jan. 31, 2012 | Oct. 31, 2011 | Jul. 31, 2011 | Apr. 30, 2013 | Apr. 30, 2012 | Apr. 30, 2011 | Jul. 31, 2013
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties classified as held for sale | 0 |  |  |  | 8 |  |  |  | 0 | 8 | 0 | 2
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | $ 210,535,000 | $ 193,637,000 | $ 186,871,000 |
Tenant reimbursement |  |  |  |  |  |  |  |  | 45,834,000 | 42,330,000 | 44,294,000 |
TOTAL REVENUE | 66,272,000 | 65,221,000 | 63,901,000 | 60,975,000 | 59,158,000 | 59,516,000 | 59,166,000 | 58,127,000 | 256,369,000 | 235,967,000 | 231,165,000 |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  | 61,169,000 | 55,554,000 | 54,183,000 |
Utilities |  |  |  |  |  |  |  |  | 19,131,000 | 17,399,000 | 17,981,000 |
Maintenance |  |  |  |  |  |  |  |  | 29,109,000 | 26,267,000 | 28,808,000 |
Real estate taxes |  |  |  |  |  |  |  |  | 33,954,000 | 31,167,000 | 30,234,000 |
Insurance |  |  |  |  |  |  |  |  | 3,902,000 | 3,481,000 | 2,238,000 |
Property management expenses |  |  |  |  |  |  |  |  | 15,355,000 | 18,594,000 | 20,277,000 |
Other property expenses |  |  |  |  |  |  |  |  | 1,008,000 | (142,000) | 665,000 |
Other expenses |  |  |  |  |  |  |  |  | 2,173,000 | 1,898,000 | 1,747,000 |
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  | 3,230,000 | 3,183,000 | 2,669,000 |
Impairment of real estate investments |  |  |  |  |  |  |  |  | 305,000 | 428,000 | 0 |
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 177,525,000 | 164,782,000 | 166,024,000 |
Operating income |  |  |  |  |  |  |  |  | 83,928,000 | 71,459,000 | 65,141,000 |
Interest expense |  |  |  |  |  |  |  |  | (62,268,000) | (63,250,000) | (61,913,000) |
Interest income |  |  |  |  |  |  |  |  | 222,000 | 148,000 | 259,000 |
Other income |  |  |  |  |  |  |  |  | 526,000 | 638,000 | 282,000 |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,885,000 | 349,000 | 19,365,000 |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 7,564,000 | 711,000 | 20,582,000 |
Property Sale Data |  |  |  |  |  |  |  |  |  |  |  |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,885,000 | 349,000 | 19,365,000 |
Asset and Liability Data |  |  |  |  |  |  |  |  |  |  |  |
Total liabilities | 1,128,173,000 |  |  |  | 1,149,104,000 |  |  |  | 1,128,173,000 | 1,149,104,000 |  |
Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 90,759,000 | 72,500,000 | 65,229,000 |
Commercial-Office [Member] |  |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 77,766,000 | 74,914,000 | 77,981,000 |
Commercial-Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 61,975,000 | 64,511,000 | 64,879,000 |
Commercial-Industrial [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties classified as held for sale |  |  |  |  |  |  |  |  |  |  |  | 2
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 12,247,000 | 11,582,000 | 10,548,000 |
Commercial-Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties classified as held for sale |  |  |  |  | 1 |  |  |  |  | 1 |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 13,622,000 | 12,460,000 | 12,528,000 |
Multi Family Residential -Condominium Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties classified as held for sale |  |  |  |  | 8 |  |  |  |  | 8 |  |
Discontinued Operations [Member] |  |  |  |  |  |  |  |  |  |  |  |
REVENUE |  |  |  |  |  |  |  |  |  |  |  |
Real estate rentals |  |  |  |  |  |  |  |  | 4,252,000 | 5,364,000 | 11,430,000 |
Tenant reimbursement |  |  |  |  |  |  |  |  | 604,000 | 661,000 | 749,000 |
TOTAL REVENUE |  |  |  |  |  |  |  |  | 4,856,000 | 6,025,000 | 12,179,000 |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
Depreciation/amortization related to real estate investments |  |  |  |  |  |  |  |  | 1,306,000 | 1,554,000 | 2,808,000 |
Utilities |  |  |  |  |  |  |  |  | 108,000 | 268,000 | 815,000 |
Maintenance |  |  |  |  |  |  |  |  | 260,000 | 333,000 | 1,140,000 |
Real estate taxes |  |  |  |  |  |  |  |  | 504,000 | 610,000 | 1,256,000 |
Insurance |  |  |  |  |  |  |  |  | 50,000 | 73,000 | 176,000 |
Property management expenses |  |  |  |  |  |  |  |  | 168,000 | 329,000 | 1,118,000 |
Other property expenses |  |  |  |  |  |  |  |  | 16,000 | 4,000 | 72,000 |
Other expenses |  |  |  |  |  |  |  |  | 0 | 67,000 | 28,000 |
Amortization related to non-real estate investments |  |  |  |  |  |  |  |  | 44,000 | 33,000 | 14,000 |
Impairment of real estate investments |  |  |  |  |  |  |  |  | 305,000 | 428,000 | 0 |
TOTAL EXPENSES |  |  |  |  |  |  |  |  | 2,761,000 | 3,699,000 | 7,427,000 |
Operating income |  |  |  |  |  |  |  |  | 2,095,000 | 2,326,000 | 4,752,000 |
Interest expense |  |  |  |  |  |  |  |  | (1,418,000) | (1,980,000) | (3,540,000) |
Interest income |  |  |  |  |  |  |  |  | 0 | 0 | 5,000 |
Other income |  |  |  |  |  |  |  |  | 2,000 | 16,000 | 0 |
Income from discontinued operations before gain on sale |  |  |  |  |  |  |  |  | 679,000 | 362,000 | 1,217,000 |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,885,000 | 349,000 | 19,365,000 |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 7,564,000 | 711,000 | 20,582,000 |
Property Sale Data |  |  |  |  |  |  |  |  |  |  |  |
Sales price |  |  |  |  |  |  |  |  | 26,273,000 | 3,237,000 | 83,330,000 |
Net book value and sales costs |  |  |  |  |  |  |  |  | (19,388,000) | (2,888,000) | (63,965,000) |
Gain on sale of discontinued operations |  |  |  |  |  |  |  |  | 6,885,000 | 349,000 | 19,365,000 |
Asset and Liability Data |  |  |  |  |  |  |  |  |  |  |  |
Total assets | 44,270,000 |  |  |  |  |  |  |  | 44,270,000 |  |  | 23,649,000
Total liabilities | (16,257,000) |  |  |  |  |  |  |  | (16,257,000) |  |  | (283,000)
Discontinued Operations [Member] | Multi-Family Residential [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | 3 |  |  |  |  |  |  |  | 3 |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 3,653,000 | 161,000 | 19,268,000 |
Discontinued Operations [Member] | Commercial-Office [Member] |  |  |  |  |  |  |  |  |  |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 0 | 0 | 0 |
Discontinued Operations [Member] | Commercial-Healthcare [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | 1 |  |  |  |  |  |  |  | 1 |  |  |
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 3,419,000 | (465,000) | (84,000) |
Discontinued Operations [Member] | Commercial-Industrial [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold |  |  |  |  |  |  |  |  |  |  |  | 4
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | 776,000 | 712,000 | 1,319,000 |
Discontinued Operations [Member] | Commercial-Retail [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | 1 |  |  |  |  |  |  |  | 1 |  |  | 1
EXPENSES |  |  |  |  |  |  |  |  |  |  |  |
INCOME FROM DISCONTINUED OPERATIONS |  |  |  |  |  |  |  |  | $ (284,000) | $ 303,000 | $ 79,000 |
Discontinued Operations [Member] | Multi Family Residential -Condominium Units [Member] |  |  |  |  |  |  |  |  |  |  |  |
Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |  |  |  |  |  |  |  |  |  |  |  |
Number of properties sold | 4 |  |  |  |  |  |  |  | 4 |  |  |

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- Definition Amount of income (loss) from a disposal group, net of income tax before extraordinary items allocable to noncontrolling interests. Includes, net of tax, income (loss) from operations during the phase-out period, gain (loss) on disposal, provision (or any reversals of earlier provisions) for loss on disposal, and adjustments of a prior period gain (loss) on disposal. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher AICPA -Name Accounting Research Bulletin (ARB) -Number 51 -Paragraph 29 -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 Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 45 -Paragraph 3 -URI http://asc.fasb.org/extlink&oid=6892542&loc=d3e957-107759 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 144 -Paragraph 47 -Subparagraph c -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 144 -Paragraph 43 -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 5: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 205 -SubTopic 20 -Section 50 -Paragraph 1 -Subparagraph (c) -URI http://asc.fasb.org/extlink&oid=6360339&loc=d3e1361-107760 Reference 6: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 225 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04.12) -URI http://asc.fasb.org/extlink&oid=6879464&loc=d3e573970-122913 Reference 7: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 13 -Article 7 Reference 8: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 225 -SubTopic 10 -Section S99 -Paragraph 2 -Subparagraph (SX 210.5-03.14) -URI http://asc.fasb.org/extlink&oid=6880815&loc=d3e20235-122688 Reference 9: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 03 -Paragraph 15 -Article 5 + Details
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- Definition The cost of borrowed funds accounted for as interest that was charged against earnings during the period. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Statement of Financial Accounting Standard (FAS) -Number 34 -Paragraph 21 -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 Accounting Standards Codification -Topic 835 -SubTopic 20 -Section 50 -Paragraph 1 -URI http://asc.fasb.org/extlink&oid=6450988&loc=d3e26243-108391 Reference 3: 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 Reference 4: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 04 -Paragraph 9 -Article 9 Reference 5: http://www.xbrl.org/2003/role/presentationRef -Publisher OTS -Name Federal Regulation (FR) -Number Title 12 -Section 563c.102 -Paragraph 9 -Chapter V -Subsection II -LegacyDoc This is a non-GAAP reference that was included in the 2009 taxonomy. It will be removed from future versions of this taxonomy. + 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 Statement of Financial Accounting Standard (FAS) -Number 13 -Paragraph 19 -Subparagraph b -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 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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