Earnings (Loss) per Share - Schedule of Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares shares in Millions	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 [Line Items]
Assumed conversion of convertible debt (in shares)	14.1	14.1	14.1	0.0
Employee Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive stock options and dilutive RSAs (in shares)				2.5
Restricted stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Dilutive stock options and dilutive RSAs (in shares)				0.4
Convertible Preferred Shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Assumed conversion of convertible preferred shares (in shares)				0.7
Convertible debt securities
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Assumed conversion of convertible debt (in shares)				7.4