Summary of Series B Convertible Preferred Stock and Accretion of Dividend (Detail) - USD ($) shares in Thousands, $ in Thousands	3 Months Ended
	Mar. 31, 2025	Mar. 31, 2024
Stockholders Equity [Line Items]
Dividends earned on Series B preferred stock	$ 205	$ 248
Series B Convertible Preferred Stock
Stockholders Equity [Line Items]
Balance at beginning of period	27,472	26,589
Dividends earned on Series B preferred stock	205	248
Balance at end of period	$ 27,677	$ 26,837
Number of shares at beginning of period	6,868	6,647
Cumulative dividends on Series B convertible preferred stock	51	62
Number of shares at end of period	6,919	6,709