Quarterly report pursuant to Section 13 or 15(d)

Net Income (Loss) Per Share (Narrative) (Details)

v3.21.2
Net Income (Loss) Per Share (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
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 84,188 89,561 184,053 0
Employee Stock Option [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   791,415   727,915
Deferred Stock Award [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   110,308   110,308