Quarterly report pursuant to Section 13 or 15(d)

Earnings per Share (Narrative) (Details)

v3.21.2
Earnings per Share (Narrative) (Details) - shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Antidilutive securities excluded from computation of earnings per share, number of shares 652,317 1,156,073 810,092 1,282,086