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The Company and Significant Accounting Policies - Fair Value Measurements - Additional Information (Detail) - USD ($) $ in Thousands | 3 Months Ended | 9 Months Ended |  |
--- | --- | --- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023 | Dec. 31, 2023 | May 19, 2023
Accounting Policies [Line Items] |  |  |  |  |  |
Interest income related to available-for-sale securities | $ 646 | $ 1,068 | $ 1,801 | $ 2,396 |  |
Accounts Payable and Accrued Expenses |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Contingent Liability, Current |  |  |  |  | $ 1,200 |
Other Long-term Liabilities |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Contingent Liability, Current |  |  |  |  | $ 700 |
BCNMonetize |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Ownership interest acquired | 100.00% |  | 100.00% |  |  | 100.00%
Available-for-Sale Securities |  |  |  |  |  |
Accounting Policies [Line Items] |  |  |  |  |  |
Interest income related to available-for-sale securities | $ 100 | $ 200 | $ 300 | $ 1,000 |  |

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