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Goodwill - Summary of Goodwill (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024
Goodwill [Line Items]
Beginning balance	$ 325,992	$ 140,905
Purchase price allocation adjustments	(8,635)
Foreign currency translation	2,620	(4)
Ending balance	527,886	325,992
LiveIntent [Member]
Goodwill [Line Items]
Acquisition		$ 185,091
Marigold Enterprise Business [Member]
Goodwill [Line Items]
Acquisition	$ 207,909

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