Stockholders' Equity - Stock-Based Compensation Expense (Detail) - USD ($) $ in Thousands |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expenses | $ 2,304 | $ 7,686 |
| Cost of revenues [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expenses | 117 | 263 |
| Research and development [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expenses | 873 | 1,610 |
| Selling and marketing [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expenses | 269 | 607 |
| General and administrative [Member] | ||
| Share-based Payment Arrangement, Expensed and Capitalized, Amount [Line Items] | ||
| Stock-based compensation expenses | $ 1,045 | $ 5,206 |