Quarterly report pursuant to Section 13 or 15(d)

EQUITY TRANSACTIONS (Narrative) (Details)

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EQUITY TRANSACTIONS (Narrative) (Details) - USD ($)
$ in Millions
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Dec. 31, 2015
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]          
Stock based compensation expenses $ 0.2 $ 0.3 $ 0.5 $ 0.9  
Scenario, Forecast [Member]          
Employee Service Share Based Compensation Allocation Of Recognized Period Costs [Line Items]          
Class A and Class B common stock, expected annual dividend payment         $ 6.6