Acquisition - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended	6 Months Ended
	Oct. 07, 2024	Jun. 30, 2025	Jun. 30, 2025	Jun. 30, 2024	Dec. 31, 2024
Business Acquisition, Date of Acquisition Agreement
Business acquisition, net of cash acquired			$ 1,202	$ 0
Recognized of customer relationships as goodwill		$ 317,672	317,672		$ 325,992
Acquisition-related liabilities paid			11,868
LiveIntent, Inc [Member]
Business Acquisition, Date of Acquisition Agreement
Date of agreement	Oct. 07, 2024
Name of acquired entity	LiveIntent, Inc.
Fair value of aggregate purchase consideration	$ 276,976
Amount paid for cash acquired	26,983
Fair value of earn outs	16,898
Business acquisiton holdbacks	14,350
Business acquisition, net of cash acquired	55,819
Recognized of customer relationships intangibles	29,760
Business combination, recognized identifiable assets acquired and liabilities assumed, property, plan and equipment	36,180
Recognized of customer relationships as goodwill	176,748
Other net assets	$ 22,068
Finite lived intangible assets useful lives	4 years
Acquisition-related liabilities paid		$ 672	$ 1,202
Acquisition-related expenses	$ 8,229
LiveIntent, Inc [Member] | Tradenames [Member]
Business Acquisition, Date of Acquisition Agreement
Business combination, recognized identifiable assets acquired and liabilities assumed, indefinite lived intangible assets	$ 12,220
LiveIntent, Inc [Member] | Class A Common Stock [Member]
Business Acquisition, Date of Acquisition Agreement
Business acquisition, number of shares	5,839,656