Acquisitions - Additional Information (Detail) $ in Thousands			12 Months Ended
	Mar. 01, 2023 USD ($)	Mar. 11, 2022 USD ($) Newsletter shares	Dec. 31, 2023 USD ($)	Dec. 31, 2022 USD ($)	Dec. 31, 2021 USD ($)
Business Acquisition, Date of Acquisition Agreement
Recognized of customer relationships as goodwill			$ 140,905	$ 133,069	$ 114,509
Acquisition-related expenses			203	344	$ 1,953
Business combination proforma revenue			$ 730,311	$ 603,737
WhatCounts Inc [Member]
Business Acquisition, Date of Acquisition Agreement
Recognized of customer relationships intangibles	$ 960
Recognized of customer relationships as goodwill	$ 7,824
Finite lived intangible assets useful lives	3 years
Acquisition-related expenses	$ 203
Date of agreement	Mar. 01, 2023
Name of acquired entity	WhatCounts
Payments made during the year	$ 15,990
Fair value of earn outs	1,011
Business combination working capital adjustment	128
Other net assets	1,066
WhatCounts Inc [Member] | Completed Technologies [Member]
Business Acquisition, Date of Acquisition Agreement
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment	$ 6,140
ArcaMax Publishing, Inc [Member]
Business Acquisition, Date of Acquisition Agreement
Business combination, purchase consideration		$ 26,925
Recognized of customer relationships intangibles		5,100
Recognized of customer relationships as goodwill		18,588
Recognized customer relationships as deferred tax liabilities		$ 2,850
Finite lived intangible assets useful lives		5 years
Acquisition-related expenses		$ 344
Business combination number of interest based newsletters to consumer | Newsletter		400
Date of agreement		Mar. 11, 2022
Name of acquired entity		ArcaMax Publishing, Inc., (“ArcaMax”)
Payments made during the year		$ 9,386
Earnouts based on the operating performance		6,577
Business combination, cash holdback		962
Business combination working capital adjustment		386
Other net assets		387
ArcaMax Publishing, Inc [Member] | Completed Technologies [Member]
Business Acquisition, Date of Acquisition Agreement
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment		$ 5,700
ArcaMax Publishing, Inc [Member] | Series A Common Stock [Member]
Business Acquisition, Date of Acquisition Agreement
Business acquisition, number of shares | shares		926,785
Business combination, fair value		$ 10,000