Summary of Series B Convertible Preferred Stock and Accretion of Dividend (Detail) - USD ($) shares in Thousands, $ in Thousands |
12 Months Ended | |
|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
|
| Stockholders Equity [Line Items] | ||
| Dividends earned on Series B preferred stock | $ 824 | $ 883 |
| Series B Preferred Stock | ||
| Stockholders Equity [Line Items] | ||
| Balance at beginning of period | 27,472 | 26,589 |
| Dividends earned on Series B preferred stock | 824 | 883 |
| Balance at end of period | $ 28,296 | $ 27,472 |
| Number of shares at beginning of period | 6,868 | 6,647 |
| Cumulative dividends on Series B Preferred Stock | 206 | 221 |
| Number of shares at end of period | 7,074 | 6,868 |