Variable Interest Entities - Schedule of Unaudited Pro Forma Information (Detail) - Adsmurai, S.L - USD ($) $ / shares in Units, $ in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2022	Sep. 30, 2021	Sep. 30, 2022	Sep. 30, 2021
Pro Forma:
Total revenue	$ 244,963	$ 208,321	$ 688,241	$ 552,915
Net income (loss) attributable to common stockholders	$ 9,706	$ 12,205	$ 20,557	$ 25,511
Basic and diluted earnings per share:
Net income (loss) per share, attributable to common stockholders, basic	$ 0.11	$ 0.14	$ 0.24	$ 0.30
Net income (loss) per share, attributable to common stockholders, diluted	$ 0.11	$ 0.14	$ 0.23	$ 0.29
Weighted average common shares outstanding, basic	84,945,873	85,390,333	85,469,675	85,207,992
Weighted average common shares outstanding, diluted	87,417,501	88,315,732	87,671,726	87,694,395