DISCONTINUED OPERATIONS (Details)
ft² in Thousands |
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12 Months Ended |
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Feb. 23, 2016
USD ($)
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Sep. 30, 2016
USD ($)
ft²
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Sep. 30, 2015
USD ($)
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Sep. 30, 2014
USD ($)
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Dec. 09, 2016
a
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Oct. 31, 2016
USD ($)
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Oct. 01, 2016
a
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
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| Gain on sale of partnership interest |
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$ 15,467,000
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$ 0
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$ 0
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| Newark Joint Venture | Disposal Group, Disposed of by Sale, Not Discontinued Operations |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
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| Sales Price |
$ 16,900,000
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| Gain on sale of partnership interest |
15,467,000
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15,467,000
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$ 0
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| Additional consideration receivable |
900,000
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| Liability arrangement, amount outstanding |
$ 2,800,000
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| Notes and loans receivable, net |
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$ 19,500,000
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| Loan receivable, stated rate |
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11.00%
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| Loan receivable, stated rate, monthly |
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6.00%
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| Loan receivable, stated rate, accrued until maturity |
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5.00%
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| Interest receivable, noncurrent |
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$ 2,380,000
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| Newark, NJ |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
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| Area of real estate property | ft² |
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68
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| Net rentable area | ft² |
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303
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| Subsequent Event |
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| Income Statement, Balance Sheet and Additional Disclosures by Disposal Groups, Including Discontinued Operations [Line Items] |
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| Area of real estate property | a |
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5.8
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5.8
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| Principal Due Upon Release of Certain Mortgages |
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$ 5,900,000
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| Deferred Interest Due Upon Release of Certain Mortgages |
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$ 750,000
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