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Earnings Per Share (Schedule of Weighted Average Number of Shares for Calculating Diluted Earnings Per Share) (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Earnings Per Share [Abstract]        
Weighted average common shares outstanding 30,933 30,920 30,926 30,920
Unconverted restricted stock units       84
Diluted 30,933 30,920 30,926 31,004