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Net Loss Per Share - Outstanding Dilutive Potential Shares Excluded from Calculation of Diluted Net loss Per Share (Details) - shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022 | Dec. 31, 2021
Antidilutive securities excluded from computation of EPS |  |  |
Antidilutive securities excluded from the calculation of diluted net (loss) income per share | 38,291,761 | 37,635,124 | 38,122,727
Stock options, including shares subject to ESPP |  |  |
Antidilutive securities excluded from computation of EPS |  |  |
Antidilutive securities excluded from the calculation of diluted net (loss) income per share | 24,083,222 | 22,214,875 | 19,895,097
Restricted stock units |  |  |
Antidilutive securities excluded from computation of EPS |  |  |
Antidilutive securities excluded from the calculation of diluted net (loss) income per share | 2,266,387 | 2,399,465 | 1,811,607
8.2% Convertible Notes due 2022 | Shares issuable upon conversion of convertible notes |  |  |
Antidilutive securities excluded from computation of EPS |  |  |
Antidilutive securities excluded from the calculation of diluted net (loss) income per share |  | 1,078,632 | 4,473,871
1.5% Convertible Senior Subordinated Notes due 2026 | Shares issuable upon conversion of convertible notes |  |  |
Antidilutive securities excluded from computation of EPS |  |  |
Antidilutive securities excluded from the calculation of diluted net (loss) income per share | 11,942,152 | 11,942,152 | 11,942,152

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- Definition Securities (including those issuable pursuant to contingent stock agreements) that could potentially dilute basic earnings per share (EPS) or earnings per unit (EPU) in the future that were not included in the computation of diluted EPS or EPU because to do so would increase EPS or EPU amounts or decrease loss per share or unit amounts for the period presented. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 260 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 1 -Subparagraph (c) -Publisher FASB -URI https://asc.fasb.org//1943274/2147482662/260-10-50-1 + Details
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