Net Income (Loss) Per Share Attributable to Common Stockholders - Basic and Diluted Net Loss Per Common Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders	$ (4,884)	$ (25,238)	$ 32,212	$ (67,604)
Weighted-average number of shares used in computing net loss per share, basic	31,484,542	31,379,755	31,472,666	30,382,231
Effect of dilutive stock options			133,168
Weighted-average number of shares used in computing net loss per share, diluted	31,484,542	31,379,755	31,605,834	30,382,231
Net income (loss) per share, basic	$ (0.16)	$ (0.80)	$ 1.02	$ (2.23)
Net income (loss) per share, diluted	$ (0.16)	$ (0.80)	$ 1.02	$ (2.23)