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EARNINGS PER SHARE (Schedule of Net Income Used in Earnings Per Share) (Details) (USD $)
In Thousands, unless otherwise specified
12 Months Ended
Dec. 31, 2014
Dec. 31, 2013
Dec. 31, 2012
EARNINGS PER SHARE [Abstract]      
Net income attributable to stockholder's used for the computation of basic and diluted earnings per share $ 30,429us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest $ 23,762us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest $ 24,880us-gaap_IncomeLossIncludingPortionAttributableToNoncontrollingInterest