Annual report pursuant to Section 13 and 15(d)

Earnings per Share - Anti-dilutive Shares (Details)

v3.19.3.a.u2
Earnings per Share - Anti-dilutive Shares (Details) - $ / shares
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Restricted stock awards with performance only targets not yet achieved      
Antidilutive Securities Excluded from Computation of Earnings Per Share      
Antidilutive shares 1,584,980 1,643,760 1,769,447
Stock options with performance only targets not yet achieved      
Antidilutive Securities Excluded from Computation of Earnings Per Share      
Antidilutive shares 558,283 586,253 586,523
Anti-dilutive restricted stock awards, restricted stock units and performance stock units      
Antidilutive Securities Excluded from Computation of Earnings Per Share      
Antidilutive shares 0 5,162 0
Anti-dilutive stock options      
Antidilutive Securities Excluded from Computation of Earnings Per Share      
Antidilutive shares 863,063 717,612 155,011
Anti-dilutive stock options | $16.97 (usd per share)      
Antidilutive Securities Excluded from Computation of Earnings Per Share      
Antidilutive shares 621,747 621,747 621,747
Exercise price (usd per share) $ 16.97 $ 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