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Fair Value Measurement - Additional Information (Detail) - USD ($) $ in Thousands |  |  | 9 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 20, 2021 | Sep. 16, 2021 | Sep. 30, 2022 | Dec. 31, 2021 | Jul. 31, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 573,363 | $ 603,814 |
Performance period |  |  | 3 years |  |
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 408,900 | 460,900 |
0.375% Convertible Senior Notes due 2024 |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Principal amount |  |  |  |  | $ 287,500
Notes, frequency of periodic payment |  |  | semi-annually |  |
Total convertible senior notes |  |  | $ 284,200 | 255,300 |
Fair value of convertible senior notes |  |  | 494,600 | $ 678,500 |
Avitide, Inc. |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Upfront payment | $ 150,000 | $ 75,000 |  |  |
Business combination contingent consideration |  | $ 88,400 | $ 88,373 |  |
Additional undiscounted in contingent consideration earnout payments | $ 125,000 |  |  |  |

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