The Company and Significant Accounting Policies - Reconciliation of Basic and Diluted Income (Loss) Per Share (Detail) - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended
	Mar. 31, 2022	Mar. 31, 2021
Numerator:
Net income (loss) attributable to common stockholders	$ 1,887	$ 5,429
Denominator:
Weighted average common shares outstanding, basic	86,522,378	85,041,628
Basic earnings per share:
Net income (loss) per share attributable to common stockholders	$ 0.02	$ 0.06
Numerator:
Net income (loss) attributable to common stockholders	$ 1,887	$ 5,429
Denominator:
Weighted average common shares outstanding, basic	86,522,378	85,041,628
Dilutive securities:
Stock options and restricted stock units	2,107,838	1,944,953
Weighted average common shares outstanding, diluted	88,630,216	86,986,581
Diluted earnings per share:
Net income (loss) per share attributable to common stockholders	$ 0.02	$ 0.06