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FAIR VALUE MEASUREMENTS (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Fair Value of Financial Instruments |  |  |
Carrying amount | $ 18,250,000 | $ 13,250,000 |
Available-for-sale securities |  |  |
Aggregate cost of available-for-sale securities | 5,300 |  |
Unrealized gain on available-for-sale securities | 27,000 | 24,000 |
Net proceeds on sale - investment in BRT Realty Trust (related party) | 0 | 266,000 | $ 19,000
Gain on sale of available-for-sale securities (to related party in 2014) |  | 134,000 | $ 6,000
Facility |  |  |
Fair Value of Financial Instruments |  |  |
Carrying amount | 18,250,000 | 13,250,000 |
Recurring |  |  |
Available-for-sale securities: |  |  |
Equity securities | 32,000 | 29,000 |
Recurring | Interest rate swap |  |  |
Available-for-sale securities: |  |  |
Derivative financial instruments |  | 27,000 |
Financial liabilities: |  |  |
Derivative financial instruments | 4,299,000 | 3,139,000 |
Recurring | Level 1 |  |  |
Available-for-sale securities: |  |  |
Equity securities | 32,000 | 29,000 |
Recurring | Level 2 | Interest rate swap |  |  |
Available-for-sale securities: |  |  |
Derivative financial instruments |  | 27,000 |
Financial liabilities: |  |  |
Derivative financial instruments | 4,299,000 | 3,139,000 |
BRT Realty Trust | Gould Investors L.P. |  |  |
Available-for-sale securities |  |  |
Net proceeds on sale - investment in BRT Realty Trust (related party) |  | $ 266,000 |
Number of shares sold to related party |  | 37,081 |
Period based on which average of the closing prices considered for proceeds from related party |  | 30 days |
Cost of shares sold to related party |  | $ 132,000 |
Gain on sale of available-for-sale securities (to related party in 2014) |  | 134,000 |
Gain reclassified from accumulated other comprehensive loss on the balance sheet into earnings |  | 132,000 |
Mortgages payable |  |  |
Fair Value of Financial Instruments |  |  |
Estimated fair value of mortgages payable | 346,614,000 | 300,541,000 |
Excess of fair value over carrying value | $ 12,186,000 | $ 8,492,000 |
Blended or estimated market interest rate (as a percent) | 4.07% | 4.50% |
Weighted average remaining term of the mortgages | 8 years 10 months 24 days | 9 years 1 month 6 days |

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- Definition The carrying value as of the balance sheet date of the current and noncurrent portions of long-term obligations drawn from a line of credit, which is a bank's commitment to make loans up to a specific amount. Examples of items that might be included in the application of this element may consist of letters of credit, standby letters of credit, and revolving credit arrangements, under which borrowings can be made up to a maximum amount as of any point in time conditional on satisfaction of specified terms before, as of and after the date of drawdowns on the line. Includes short-term obligations that would normally be classified as current liabilities but for which (a) postbalance sheet date issuance of a long term obligation to refinance the short term obligation on a long term basis, or (b) the enterprise has entered into a financing agreement that clearly permits the enterprise to refinance the short-term obligation on a long term basis and the following conditions are met (1) the agreement does not expire within 1 year and is not cancelable by the lender except for violation of an objectively determinable provision, (2) no violation exists at the BS date, and (3) the lender has entered into the financing agreement is expected to be financially capable of honoring the agreement. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 942 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.9-03.16) -URI http://asc.fasb.org/extlink&oid=6876686&loc=d3e534808-122878 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 944 -SubTopic 210 -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-03.16) -URI http://asc.fasb.org/extlink&oid=6879938&loc=d3e572229-122910 Reference 3: http://www.xbrl.org/2003/role/presentationRef -Publisher SEC -Name Regulation S-X (SX) -Number 210 -Section 02 -Paragraph 19, 20, 22 -Article 5 + Details
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