Quarterly report pursuant to Section 13 or 15(d)

Anti-dilutive Shares (Details)

v3.21.2
Anti-dilutive Shares (Details) - $ / shares
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Restricted stock awards with performance only targets not yet achieved        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares) 828,967 950,174 852,822 1,323,270
Stock options with performance only targets not yet achieved        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares) 375,733 503,526 376,448 509,782
Anti-dilutive restricted stock awards, restricted stock units and performance stock units        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares) 0 1,539,506 0 1,432,906
Anti-dilutive stock options        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares) 0 844,475 4,221 846,578
Anti-dilutive stock options | $16.97 (usd per share)        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares)   603,159   605,262
Exercise price (usd per share)   $ 16.97   $ 16.97
Anti-dilutive stock options | $17.50 (usd per share)        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Antidilutive (shares)   241,316   241,316
Exercise price (usd per share)   $ 17.50   $ 17.50