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Earnings Per Share (Details Textual)
3 Months Ended 9 Months Ended
Sep. 30, 2014
Sep. 30, 2013
Sep. 30, 2014
Sep. 30, 2013
Earning Per Share (Textual) [Abstract]        
Number of stock option, stock appreciation rights, and restricted stock units 4,362,649 6,091,405 4,362,649 6,091,405
Number of potentially dilutive stock options 0 0 0 0