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Earnings Per Share (Anti-Dilutive Securities) (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2015
Jun. 30, 2014
Jun. 30, 2015
Jun. 30, 2014
Earnings Per Share [Abstract]        
Shares excluded from calculations of diluted earnings per share 12,705 330,095 10,152 336,745