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INCOME TAXES - Tax Status of Dividends Paid (Details) - $ / shares
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Income Tax Disclosure [Abstract]    
Dividend paid per share (in dollars per share) $ 0.82 $ 0.80
Ordinary income (percentage) 100.00% 100.00%
Return of capital (percentage) 0.00% 0.00%
Capital gains (percentage) 0.00% 0.00%