Summary of Series B Convertible Preferred Stock and Accretion of Dividend (Detail) - USD ($) shares in Thousands, $ in Thousands	12 Months Ended
	Dec. 31, 2024	Dec. 31, 2023
Stockholders Equity [Line Items]
Dividends earned on Series B preferred stock	$ 883	$ 1,266
Series B Convertible Preferred Stock
Stockholders Equity [Line Items]
Balance at beginning of period	26,589	25,323
Dividends earned on Series B preferred stock	883	1,266
Balance at end of period	$ 27,472	$ 26,589
Number of shares at beginning of period	6,647	6,331
Cumulative dividends on Series B convertible preferred stock	221	316
Number of shares at end of period	6,868	6,647