Annual report pursuant to Section 13 and 15(d)

SHAREHOLDERS' EQUITY SHAREHOLDERS' EQUITY (Dividends Declared) (Details)

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SHAREHOLDERS' EQUITY SHAREHOLDERS' EQUITY (Dividends Declared) (Details) - $ / shares
3 Months Ended 12 Months Ended
Dec. 31, 2019
Sep. 30, 2019
Jun. 30, 2019
Mar. 31, 2019
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Dividends Payable [Line Items]              
Common Stock, Dividends, Per Share, Declared $ 0.06       $ 0.27 $ 0.05 $ 0
Common stock dividends paid, per share 0.10 $ 0.06 $ 0.05 $ 0.05      
Special Dividend [Member]              
Dividends Payable [Line Items]              
Common stock dividends paid, per share $ 0.04