Acquisitions - Schedule of Unaudited Pro Forma Information (Detail) - Cisneros Interactive	3 Months Ended
	Mar. 31, 2020 USD ($) $ / shares shares
Pro Forma:
Total revenue	$ 104,468
Net income (loss)	(34,348)
Net income (loss) attributable to redeemable noncontrolling interest	(610)
Net income (loss) attributable to common stockholders	$ (34,958)
Basic and diluted earnings per share:
Net income (loss) per share, attributable to common stockholders, basic and diluted | $ / shares	$ (0.41)
Weighted average common shares outstanding, basic and diluted | shares	84,317,767