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Net (Loss) Income Per Share - Outstanding Dilutive Potential Shares Excluded from Calculation of Diluted Net (loss) Income Per Share (Details) - shares	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Antidilutive securities excluded from computation of EPS
Antidilutive securities excluded from the calculation of diluted net (loss) income per share	37,635,124	38,122,727	14,002,963
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	22,214,875	19,895,097	9,521,403
Restricted Stock Units
Antidilutive securities excluded from computation of EPS
Antidilutive securities excluded from the calculation of diluted net (loss) income per share	2,399,465	1,811,607	7,689
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	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

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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
-Publisher FASB
-Name Accounting Standards Codification
-Topic 260
-SubTopic 10
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI https://asc.fasb.org/extlink&oid=124432515&loc=d3e3550-109257

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+ References

No definition available.

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