Significant Accounting Policies - Calculation of Net Income (Loss) and Number of Shares Used to Compute Basic and Diluted Net Earnings (Loss) per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2024	Jun. 30, 2023	Jun. 30, 2024	Jun. 30, 2023
Loss Earnings Per Share [Line Items]
Net income (loss) - basic	$ 1,522	$ (17,560)	$ (8,431)	$ (34,020)
Net income (loss) - diluted	$ 1,522	$ (17,560)	$ (8,431)	$ (34,020)
Weighted average shares outstanding-basic	410,851,000	407,848,000	410,565,000	407,017,000
Weighted average shares outstanding-diluted	411,395,000	407,848,000	410,565,000	407,017,000
Earnings (loss) per share basic	$ 0	$ (0.04)	$ (0.02)	$ (0.08)
Earnings (loss) per share-diluted	$ 0	$ (0.04)	$ (0.02)	$ (0.08)
Restricted Stock and Restricted Stock Units
Loss Earnings Per Share [Line Items]
Effect of dilutive securities	545,000
Employee Stock Option
Loss Earnings Per Share [Line Items]
Effect of dilutive securities	0