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, 2021	Mar. 31, 2020
Numerator:
Net income (loss) attributable to common stockholders	$ 5,429	$ (35,592)
Denominator:
Weighted average common shares outstanding, basic	85,041,628	84,317,767
Basic earnings per share:
Net income (loss) per share attributable to common stockholders	$ 0.06	$ (0.42)
Numerator:
Net income (loss) attributable to common stockholders	$ 5,429	$ (35,592)
Denominator:
Weighted average common shares outstanding, basic	85,041,628	84,317,767
Dilutive securities:
Stock options and restricted stock units	1,944,953
Weighted average common shares outstanding, diluted	86,986,581	84,317,767
Diluted earnings per share:
Net income (loss) per share attributable to common stockholders	$ 0.06	$ (0.42)