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INCOME TAXES (Details) - USD ($) | 12 Months Ended
--- | ---
Dec. 31, 2017 | Dec. 31, 2016 | Dec. 31, 2015
INCOME TAXES |  |  |
Period of disqualification of REIT status | 4 years |  |
Federal excise tax expense | $ 0 | $ 6,000 | $ 174,000
Capital gain distributions (as a percent) | 17.00% | 27.00% | 67.00%
Reconciliation between Cash Dividends Paid and Dividends Paid Deduction: |  |  |
Dividends paid | $ 32,393,000 | $ 29,135,000 | $ 26,179,000
Dividend reinvestment plan | 252,000 | 181,000 | 228,000
Dividends before adjustment for previous and current year | 32,645,000 | 29,316,000 | 26,407,000
Less: Spillover dividends designated to previous year | (11,916,000) | (15,209,000) | (18,177,000)
Plus: Dividends designated from following year | 10,263,000 | 11,916,000 | 15,209,000
Dividends paid deduction | $ 30,992,000 | $ 26,023,000 | $ 23,439,000
Maximum |  |  |
Reconciliation between Cash Dividends Paid and Dividends Paid Deduction: |  |  |
Percentage of discount on common stock purchased through the dividend reinvestment plan | 5.00% |  |

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- Definition Represents the percentage of aggregate cash distributions for dividends during the period, treated as capital gains for federal tax purposes. + References No definition available. + Details
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- Definition Represents the amount of discount on common stock purchased through the dividend reinvestment plan. + References No definition available. + Details
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- Definition Represents the percentage of discount from market price on common stock purchased through the dividend reinvestment plan. + References No definition available. + Details
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- Definition Represents the subsequent period during which the entity would be disqualified as a real estate investment trust, if during any tax year the entity fails to qualify as a real estate investment trust. + References No definition available. + Details
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