Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Details)

v3.3.0.814
Net Income (Loss) Per Share (Details) - shares
 3 Months Ended 9 Months Ended
Sep. 30, 2015
Sep. 30, 2014
Sep. 30, 2015
Sep. 30, 2014
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans 35,615 23,118 0 22,150
Stock Compensation Plan [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Dilutive effect of outstanding stock options and shares associated with long-term incentive compensation plans     0  
Shares not included in the computation of diluted earnings per share 723,140 155,014 625,812 155,014
Deferred Stock [Member]        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Shares not included in the computation of diluted earnings per share 192,061 241,623 192,061 241,623