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Summary of Significant Accounting Policies - Additional Information (Detail) shares in Thousands, $ in Thousands | 1 Months Ended | 12 Months Ended
--- | --- | ---
Sep. 30, 2024 USD ($) | Dec. 31, 2024 USD ($) Segment shares | Dec. 31, 2023 USD ($) shares | Dec. 31, 2022 USD ($) shares
Summary Of Significant Accounting Policy [Line Items] |  |  |  |
Charge on finished goods inventory |  | $ 500 | $ 900 | $ 600
Impairment losses |  | 0 |  |
Finite-lived intangible assets, net |  | 119,782 | 65,490 |
Amortization of intangible assets |  | 14,963 | 4,093 | 0
Impairment of intangible assets finite lived |  | 0 | 0 |
Advertising costs |  | 21,100 | 9,400 | 5,500
Advertising costs capitalized as prepaid expenses |  | $ 1,300 | $ 0 | $ 0
Stock-based compensation expenses | $ 10,700 |  |  |
Antidilutive securities to purchase common stock | shares |  | 18,233 | 21,264 | 21,185
Number of business segments | Segment |  | 1 |  |
License Agreements | Neuren |  |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |  |
Amortization of intangible assets |  | $ 15,000 | $ 4,100 |
Estimated future amortization expense |  | 10,900 |  |
License Agreements | Neuren | Fda Approval Of Daybue |  |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |  |
Finite-lived intangible assets, net |  | $ 138,800 |  |
Maximum | Performance Stock Unit |  |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |  |
Vesting percentage |  | 150.00% | 200.00% |
Minimum | Performance Stock Unit |  |  |  |
Summary Of Significant Accounting Policy [Line Items] |  |  |  |
Vesting percentage |  | 0.00% |  |

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