Stockholders’ Deficit and Stock-Based Compensation - Common Stock Equivalents Excluded from the Calculation of Earnings per Share (Details) - shares	3 Months Ended
	Mar. 31, 2024	Mar. 31, 2023
Convertible senior notes
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted net income (loss) per share (in shares)	8,878,938	8,878,938
Unvested RSUs and PSUs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted net income (loss) per share (in shares)	5,496,036	3,598,879
Outstanding stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted net income (loss) per share (in shares)	3,669,894	4,541,131
Outstanding stock options \| 2014 ESPP
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted net income (loss) per share (in shares)	220,451	165,079
Unvested RSAs and PSAs
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Common stock equivalents excluded from computation of diluted net income (loss) per share (in shares)	642,419	1,728,551