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Earnings Per Share - Anti-Dilutive Options and Units Excluded from Earnings Per Share (Details) - shares
3 Months Ended 6 Months Ended
Jun. 30, 2021
Jun. 30, 2020
Jun. 30, 2021
Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from the computation of diluted earnings per share (in shares) 6,525,054 6,917,218 6,525,054 6,917,218
Anti-Dilutive Options        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from the computation of diluted earnings per share (in shares) 3,029,168 4,256,409 3,029,168 4,256,409
Anti-Dilutive Restricted Stock Units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from the computation of diluted earnings per share (in shares) 2,484,443 2,009,678 2,484,443 2,009,678
Anti-Dilutive Performance Share Units        
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]        
Antidilutive securities excluded from the computation of diluted earnings per share (in shares) 1,011,443 651,131 1,011,443 651,131