Quarterly report pursuant to Section 13 or 15(d)

STOCK INCENTIVE PLAN (Weighted-Average Assumptions used to Estimate Fair Value of Stock Options and Restricted Stock Awards using Black-Scholes Valuation Model) (Details)

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STOCK INCENTIVE PLAN (Weighted-Average Assumptions used to Estimate Fair Value of Stock Options and Restricted Stock Awards using Black-Scholes Valuation Model) (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
STOCK INCENTIVE PLAN [Abstract]        
Expected volatility   67.08% 52.37% 74.98%
Expected dividends   2.82% 4.28% 2.70%
Expected term (in years)   8 years 3 years 7 years 9 months 18 days
Risk-free interest rate   2.21% 0.85% 2.27%