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		6 Months Ended
	Jun. 30, 2022	Jun. 30, 2021	Jun. 30, 2022	Jun. 30, 2021
Earnings Per Share [Abstract]
Net income (loss) attributable to common stockholders	$ 51,632	$ (19,928)	$ 37,096	$ (42,366)
Weighted-average number of shares used in computing net loss per share, basic	31,477,053	31,348,602	31,466,630	29,875,202
Effect of dilutive stock options	5,872		2,936
Weighted-average number of shares used in computing net loss per share, diluted	31,482,925	31,348,602	31,469,566	29,875,202
Net income (loss) per share, basic	$ 1.64	$ (0.64)	$ 1.18	$ (1.42)
Net income (loss) per share, diluted	$ 1.64	$ (0.64)	$ 1.18	$ (1.42)