BASIS OF PRESENTATION AND SIGNIFICANT ACCOUNTING POLICIES, Identified Intangible Assets and Liabilities and Goodwill (Details)
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3 Months Ended |
9 Months Ended |
12 Months Ended |
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Jan. 31, 2016
USD ($)
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Jan. 31, 2015
USD ($)
|
Jan. 31, 2016
USD ($)
Property
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Jan. 31, 2015
USD ($)
Property
|
Apr. 30, 2015
USD ($)
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| Identified Intangible Assets and Liabilities and Goodwill [Abstract] |
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| New intangible assets |
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|
$ 1,300,000
|
$ 365,000
|
|
| Addition to intangible liabilities |
|
|
$ 101,000
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$ 0
|
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| Weighted average lives of intangible assets and intangible liabilities |
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|
9 months 18 days
|
6 months
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| Identified intangible assets (included in intangible assets) [Abstract] |
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| Gross carrying amount |
$ 45,127,000
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$ 45,127,000
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|
$ 45,823,000
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| Accumulated amortization |
(21,214,000)
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|
(21,214,000)
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(19,610,000)
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| Net carrying amount |
23,913,000
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|
23,913,000
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|
26,213,000
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| Identified intangible liabilities (included in other liabilities) [Abstract] |
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|
|
|
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| Gross carrying amount |
159,000
|
|
159,000
|
|
82,000
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| Accumulated amortization |
(49,000)
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|
(49,000)
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(61,000)
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| Net carrying amount |
110,000
|
|
110,000
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|
21,000
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| Amortization of above and below market leases |
3,000
|
$ 7,000
|
14,000
|
$ 18,000
|
|
| Amortization of all other identified intangible assets |
1,400,000
|
$ 1,100,000
|
3,600,000
|
4,000,000
|
|
| Estimated annual amortization of acquired below-market leases, net of acquired above-market leases [Abstract] |
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|
|
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| 2017 |
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|
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3,000
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| 2018 |
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|
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(11,000)
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| 2019 |
|
|
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(20,000)
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| 2020 |
|
|
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(16,000)
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| 2021 |
|
|
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(13,000)
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| Estimated annual amortization of all other identified intangible assets [Abstract] |
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|
|
|
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| 2017 |
|
|
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3,835,000
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| 2018 |
|
|
|
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3,605,000
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| 2019 |
|
|
|
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3,507,000
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| 2020 |
|
|
|
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3,440,000
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| 2021 |
|
|
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|
3,312,000
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| Goodwill [Line Items] |
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|
|
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| Goodwill |
$ 1,715,000
|
|
1,715,000
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|
1,718,000
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| Goodwill impairment |
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0
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|
0
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| Goodwill derecognized |
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|
196,000
|
11,000
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$ 0
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| Goodwill recognized |
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|
$ 0
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$ 852,000
|
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| Commercial [Member] |
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| Goodwill [Line Items] |
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|
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| Number of real estate properties sold | Property |
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8
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| Multifamily [Member] |
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| Goodwill [Line Items] |
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| Number of real estate properties sold | Property |
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1
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