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SIGNIFICANT ACCOUNTING POLICIES (Details 4) | 12 Months Ended
--- | ---
Dec. 31, 2015 state tenant | Dec. 31, 2014 tenant | Dec. 31, 2013 tenant
Concentration of Credit Risk |  |  |
Number of states in which properties are located | state | 31 |  |
Rental income | Geographic concentration | Texas |  |  |
Concentration of Credit Risk |  |  |
Concentration risk percentage | 11.60% | 13.30% | 13.00%
Rental income | Geographic concentration | New York |  |  |
Concentration of Credit Risk |  |  |
Concentration risk percentage | 8.90% | 9.50% | 11.00%
Rental income | Geographic concentration | New Jersey |  |  |
Concentration of Credit Risk |  |  |
Concentration risk percentage | 3.20% | 9.50% | 10.70%
Rental income | Customer concentration |  |  |
Concentration of Credit Risk |  |  |
Number of tenants contributed over 10% of total revenues | tenant | 0 | 0 | 0

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