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Net Loss Per Share - Basic and Diluted Net Loss Per Share (Parenthetical) (Detail) - shares shares in Millions | 3 Months Ended
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Mar. 31, 2023 | Mar. 31, 2022
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Anti-dilutive securities excluded from computation of net loss per share | 12.6 | 11.3
2024 Convertible Notes [Member] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Conversion of shares excluded from computation of diluted EPS | 1.4 | 7.8
2027 Convertible Notes [Member] |  |
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items] |  |
Conversion of shares excluded from computation of diluted EPS | 8.1 |

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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 -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 + Details
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