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Stockholders' Equity - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Thousands				12 Months Ended
	Nov. 24, 2025	Sep. 27, 2025	Oct. 07, 2024	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023	Jul. 23, 2025	Nov. 13, 2024
Class of Stock [Line Items]
Shares repurchased				$ 120,094	$ 41,080	$ 15,421
Stock repurchase amount unsettled					$ 873
Marigold Group, Inc [Member]
Class of Stock [Line Items]
Aggregate purchase consideration	$ 92,033
Maximum [Member]
Class of Stock [Line Items]
Share repurchase program, authorized value							$ 200,000,000
Class A Common Stock [Member]
Class of Stock [Line Items]
Stock repurchase program, remaining authorized repurchase amount				$ 163,981
Class A Common Stock [Member] | Marigold Group, Inc [Member]
Class of Stock [Line Items]
Business acquisition per share	$ 17.27
Business acquisition, number of shares	5,329,070	5,329,070
Class A Common Stock [Member] | Apptness [Member]
Class of Stock [Line Items]
Business acquisition, number of shares				197,028
Business combination, fair value				$ 3,667
Class A Common Stock [Member] | ArcaMax [Member]
Class of Stock [Line Items]
Business acquisition, number of shares				50,736
Business combination, fair value				$ 667
Class A Common Stock [Member] | Contractual Agreements [Member]
Class of Stock [Line Items]
Business acquisition, number of shares				140,100
Business combination, fair value				$ 2,330
Class A Common Stock [Member] | LiveIntent [Member]
Class of Stock [Line Items]
Business acquisition, number of shares			5,839,656
Class A Common Stock [Member] | Common Stock [Member]
Class of Stock [Line Items]
Shares repurchased (in shares)				7,899,208	2,307,006	1,360,153
Shares repurchased				$ 8	$ 2
Class B common stock transferred to Class A common stock (in shares)				456,645	4,960,418	2,717,890
Shares issued in connection with a follow-on public offering (in shares)					10,304,716
Class A Common Stock [Member] | Maximum [Member]
Class of Stock [Line Items]
Share repurchase program, authorized value								$ 100,000,000

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Amount authorized for purchase of share under share repurchase plan. Includes, but is not limited to, repurchase of stock and unit of ownership.

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