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Earnings Per Share - Antidilutive Securities (Details) - shares
shares in Thousands
3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Total anti-dilutive securities 2,900 5,080 2,750 4,860
Share-based awards        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Total anti-dilutive securities 0 250 40 460
Convertible note hedge and capped call transactions        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Total anti-dilutive securities 0 430 0 0
Warrants        
Antidilutive Securities Excluded from Computation of Earnings Per Share        
Total anti-dilutive securities 2,900 4,400 2,710 4,400