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Balance Sheet Components - Additional Information (Detail) - USD ($) | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2022 | Sep. 30, 2021 | Sep. 30, 2022 | Sep. 30, 2021 | Dec. 31, 2021 | Jul. 31, 2021
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Cash and cash equivalents | $ 155,960,000 |  | $ 155,960,000 |  | $ 171,223,000 |
Other-than-temporary impairment loss | 0 | $ 0 | 0 | $ 0 |  |
API and bulk drug product price true-up | 66,474,000 |  | 66,474,000 |  |  |
Acquired In Process Research And Development Asset |  |  |  |  | 35,000,000 |
Profit share liability | 7,361,000 |  | $ 7,361,000 |  | 15,857,000 |
Eluminex [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Unbilled upfront payment |  |  |  |  |  | $ 8,000,000.0
Maximum [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Contractual maturities of available-for-sale investments |  |  | 2 years |  |  |
Foreign subsidiaries [Member] |  |  |  |  |  |
Schedule of Available-for-sale Securities [Line Items] |  |  |  |  |  |
Cash and cash equivalents | $ 84,400,000 |  | $ 84,400,000 |  | $ 91,200,000 |

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