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STOCK BASED COMPENSATION (Details 3) - Performance share incentives [Member] - USD ($)
shares in Thousands, $ in Millions
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Stock based compensation      
Outstanding at beginning of period 105,875 105,875 102,500
Awarded 0 0 3,375
Canceled or forfeited 0 0 0
Outstanding at end of period 105,875 105,875 105,875
Unamortized deferred compensation cost $ 1.2 $ 0.6 $ 0.5
Expected weighted-average recognition period for unrecognized compensation cost (in years) 1 year 1 month 28 days 2 years 1 month 28 days 3 years 1 month 28 days