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Summary of Significant Accounting Policies - Schedule of Potential Common Shares Excluded from Computations of Net Loss Per Share Attributed to Common Stockholders (Details) - shares | 12 Months Ended
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Dec. 31, 2023 | Dec. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
RSUs, PSUs, stock options and ESPP shares | 16,740,000 | 15,752,000
Series B Preferred Stock | 75,164,000 | 75,164,000
Total | 110,880,000 | 109,892,000
Maximum additional shares issuable (in shares) | 4,741,374 |
2019 Notes | Convertible Debt |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
2019 and 2014 Notes | 18,966,000 | 18,966,000
2014 Notes | Convertible Debt |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
2019 and 2014 Notes | 10,000 | 10,000

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