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SEGMENT REPORTING (Details) $ in Thousands | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Oct. 31, 2016 USD ($) | Oct. 31, 2015 USD ($) | Oct. 31, 2016 USD ($) segment | Oct. 31, 2015 USD ($) | Apr. 30, 2016 USD ($) | Apr. 30, 2015 USD ($)
Segment Reporting Information [Line Items] |  |  |  |  |  |
Number of reportable segments | segment |  |  | 2 |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue | $ 50,609 | $ 46,346 | $ 100,220 | $ 91,391 |  |
Real estate expenses | 21,573 | 19,951 | 43,207 | 38,255 |  |
Net operating income (loss) | 29,036 | 26,395 | 57,013 | 53,136 |  |
Depreciation/amortization | (13,531) | (12,405) | (27,798) | (23,622) |  |
Impairment of real estate investments |  | (1,873) | (54,153) | (3,158) |  |
General and administrative expenses | (2,702) | (2,933) | (5,308) | (5,387) |  |
Acquisition and investment related costs | (4) | (391) | (47) | (398) |  |
Other expenses | (816) | (813) | (1,668) | (1,230) |  |
Interest expense | (10,626) | (8,741) | (20,990) | (16,555) |  |
Loss on extinguishment of debt |  | (106) |  | (106) |  |
Interest and other income | 637 | 665 | 1,682 | 1,272 |  |
Income (loss) before (loss) gain on sale of real estate and other investments, and income from discontinued operations | 1,994 | (202) | (51,269) | 3,952 |  |
Gain (loss) on sale of real estate and other investments | (103) |  | 8,855 | (175) |  |
Income (loss) from continuing operations | 1,891 | (202) | (42,414) | 3,777 |  |
Income (loss) from discontinued operations | 10,399 | 16,879 | 14,110 | 17,627 |  |
NET INCOME (LOSS) | 12,290 | 16,677 | (28,304) | 21,404 |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned | 1,665,354 |  | 1,665,354 |  | $ 1,681,471 |
Less accumulated depreciation | (321,790) |  | (321,790) |  | (312,889) |
Total property owned | 1,343,564 |  | 1,343,564 |  | 1,368,582 |
Assets held for sale and assets of discontinued operations | 191,233 |  | 191,233 |  | 220,537 |
Cash and cash equivalents | 68,729 | 55,133 | 68,729 | 55,133 | 66,698 | $ 48,970
Other investments |  |  |  |  | 50 |
Receivables and other assets | 35,803 |  | 35,803 |  | 26,535 |
Development in progress | 20,921 |  | 20,921 |  | 51,681 |
Unimproved land | 19,069 |  | 19,069 |  | 20,939 |
TOTAL ASSETS | 1,679,319 |  | 1,679,319 |  | 1,755,022 |
Amounts Not Allocated to Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate expenses | 1,126 | 1,306 | 2,963 | 2,080 |  |
Net operating income (loss) | (1,126) | (1,306) | (2,963) | (2,080) |  |
Multi-Family Residential [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue | 36,250 | 32,176 | 71,290 | 63,609 |  |
Real estate expenses | 15,566 | 14,191 | 30,445 | 27,631 |  |
Net operating income (loss) | 20,684 | 17,985 | 40,845 | 35,978 |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned | 1,226,198 |  | 1,226,198 |  | 1,243,909 |
Less accumulated depreciation | (212,922) |  | (212,922) |  | (209,156) |
Total property owned | 1,013,276 |  | 1,013,276 |  | 1,034,753 |
Healthcare [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue | 11,661 | 11,351 | 23,202 | 22,130 |  |
Real estate expenses | 4,151 | 3,834 | 8,343 | 7,316 |  |
Net operating income (loss) | 7,510 | 7,517 | 14,859 | 14,814 |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned | 342,242 |  | 342,242 |  | 337,920 |
Less accumulated depreciation | (88,669) |  | (88,669) |  | (83,558) |
Total property owned | 253,573 |  | 253,573 |  | 254,362 |
All Other [Member] | Operating Segments [Member] |  |  |  |  |  |
Segment revenues and net operating income [Abstract] |  |  |  |  |  |
Real estate revenue | 2,698 | 2,819 | 5,728 | 5,652 |  |
Real estate expenses | 730 | 620 | 1,456 | 1,228 |  |
Net operating income (loss) | 1,968 | $ 2,199 | 4,272 | $ 4,424 |  |
Segment Assets [Abstract] |  |  |  |  |  |
Property owned | 96,914 |  | 96,914 |  | 99,642 |
Less accumulated depreciation | (20,199) |  | (20,199) |  | (20,175) |
Total property owned | $ 76,715 |  | $ 76,715 |  | $ 79,467 |

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- Definition Amount of real estate investment property which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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- Definition Amount of real estate investment property, net of accumulated depreciation, which may include the following: (1) land available-for-sale; (2) land available-for-development; (3) investments in building and building improvements; (4) tenant allowances; (5) developments in-process; (6) rental properties; and (7) other real estate investments. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.1(d)) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 + Details
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