Net Loss Per Share - Schedule of Antidilutive Securities Excluded from Computation of EPS (Details) - shares	6 Months Ended
	Jun. 30, 2021	Jun. 30, 2020
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock awards not included in earnings per share calculation (in shares)	7,276,293	8,831,790
Shares subject to outstanding common stock options and employee stock purchase plan
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock awards not included in earnings per share calculation (in shares)	4,252,817	5,481,824
RSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Anti-dilutive common stock awards not included in earnings per share calculation (in shares)	3,023,476	3,349,966