Quarterly report pursuant to Section 13 or 15(d)

Anti-dilutive Shares (Details)

v3.21.1
Anti-dilutive Shares (Details) - $ / shares
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Restricted stock awards with performance only targets not yet achieved    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive (shares) 883,380 1,526,613
Stock options with performance only targets not yet achieved    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive (shares) 376,812 516,000
Anti-dilutive restricted stock awards, restricted stock units and performance stock units    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive (shares) 0 1,264,324
Anti-dilutive stock options    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive (shares) 0 850,807
Anti-dilutive stock options | $16.97 (usd per share)    
Antidilutive Securities Excluded from Computation of Earnings Per Share    
Antidilutive (shares) 609,491 609,491
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