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Fair Value Measurement - Additional Information (Detail) - USD ($) |  |  | 3 Months Ended |  |
--- | --- | --- | --- | --- | ---
Sep. 20, 2021 | Sep. 16, 2021 | Mar. 31, 2022 | Dec. 31, 2021 | Jul. 31, 2019
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 584,640,000 | $ 603,814,000 |
Money Market Funds [Member] | Fair Value, Inputs, Level 1 [Member] |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Cash and cash equivalents |  |  | $ 436,000.0 | 460,900 |
0.375% Convertible Senior Notes due 2024 |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Principal amount |  |  |  |  | $ 287,500,000
Notes, frequency of periodic payment |  |  | semi-annually |  |
Total convertible senior notes |  |  | $ 283,300 | 255,300,000 |
Fair value of convertible senior notes |  |  | 490,200 | $ 678,500 |
Avitide, Inc. |  |  |  |  |
Summary Of Significant Accounting Policies [Line Items] |  |  |  |  |
Upfront payment | $ 150,000,000.0 | $ 75,000,000.0 |  |  |
Business combination contingent consideration |  | $ 88,400,000 | 88,373,000 |  |
Additional undiscounted in contingent consideration earnout payments | $ 125,000,000.0 |  |  |  |
Changes in revenue projection |  |  | $ 0 |  |

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