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SIGNIFICANT ACCOUNTING POLICIES (Details 2) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2015 | Dec. 31, 2014 | Dec. 31, 2013
Depreciation and Amortization |  |  |
Depreciation and amortization | $ 16,384,000 | $ 14,662,000 | $ 11,919,000
Deferred Financing Costs |  |  |
Accumulated amortization of deferred financing costs | 4,628,000 | 4,379,000 |
Federal Income Taxes |  |  |
Federal excise tax expense | $ 174,000 | $ 302,000 | $ 45,000
Capital gain distributions (as a percent) | 67.00% | 26.00% |
Commercial properties |  |  |
Depreciation and Amortization |  |  |
Estimated useful life | 40 years |  |

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- Definition The current period expense charged against earnings on long-lived, physical assets not used in production, and which are not intended for resale, to allocate or recognize the cost of such assets over their useful lives; or to record the reduction in book value of an intangible asset over the benefit period of such asset; or to reflect consumption during the period of an asset that is not used in production. + References Reference 1: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 360 -SubTopic 10 -Section 50 -Paragraph 1 -Subparagraph (a) -URI http://asc.fasb.org/extlink&oid=6391035&loc=d3e2868-110229 Reference 2: http://www.xbrl.org/2003/role/presentationRef -Publisher FASB -Name Accounting Standards Codification -Topic 230 -SubTopic 10 -Section 45 -Paragraph 28 -Subparagraph (b) -URI http://asc.fasb.org/extlink&oid=56944662&loc=d3e3602-108585 + Details
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