Net Loss Per Share - Antidilutive Securities Excluded From Computation of Earnings Per Share (Details) - shares shares in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	9,859	9,286
Capped call
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	4,167	4,167
Convertible notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	4,167	4,167
Options to purchase common stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	485	245
Restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	526	585
Performance stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	482	92
Employee stock purchase plan shares
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Total	32	30