Acquisitions - Additional Information (Detail) $ in Thousands				1 Months Ended	3 Months Ended	6 Months Ended
	Mar. 11, 2022 USD ($) shares	Mar. 03, 2021 USD ($) shares	Mar. 01, 2021 USD ($) shares	Oct. 31, 2021 USD ($) shares	Jun. 30, 2021 USD ($)	Jun. 30, 2022 USD ($) Newsletter	Jun. 30, 2021 USD ($)	Dec. 31, 2021 USD ($)	Oct. 01, 2021 USD ($)
Business Acquisition, Date of Acquisition Agreement
Recognized of customer relationships as goodwill						$ 133,029		$ 114,509
Acquisition related expenses					$ 329	$ 344	$ 1,036
Kinetic Data Solutions, LLC [Member]
Business Acquisition, Date of Acquisition Agreement
Business combination, purchase consideration			$ 2,762
Recognized of customer relationships intangibles			1,600
Recognized of customer relationships as goodwill			1,579
Recognized customer relationships as deferred tax liabilities			$ 417
Date of agreement			Mar. 01, 2021
Name of acquired entity			Kinetic Data Solutions, LLC (“Kinetic”)
Earnouts based on the operating performance			$ 24
Kinetic Data Solutions, LLC [Member] | Customer Relationships [Member]
Business Acquisition, Date of Acquisition Agreement
Finite lived intangible assets useful lives			3 years
Kinetic Data Solutions, LLC [Member] | Series A Common Stock [Member]
Business Acquisition, Date of Acquisition Agreement
Business acquisition, number of shares | shares			306,749
Business combination, fair value			$ 2,738
Vital Digital, Corp [Member]
Business Acquisition, Date of Acquisition Agreement
Business combination, purchase consideration		$ 8,950
Recognized of customer relationships intangibles		5,630
Recognized of customer relationships as goodwill		4,736
Recognized customer relationships as deferred tax liabilities		$ 1,465
Date of agreement		Mar. 03, 2021
Name of acquired entity		Vital Digital, Corp (“Vital”)
Earnouts based on the operating performance		$ 2,262
Business combination, cash holdback		578
Other net assets		49
Payments to acquire businesses in cash		$ 3,400
Vital Digital, Corp [Member] | Customer Relationships [Member]
Business Acquisition, Date of Acquisition Agreement
Finite lived intangible assets useful lives		3 years
Vital Digital, Corp [Member] | Series A Common Stock [Member]
Business Acquisition, Date of Acquisition Agreement
Business acquisition, number of shares | shares		306,748
Business combination, fair value		$ 2,710
Apptness Media Group, LLC
Business Acquisition, Date of Acquisition Agreement
Recognized of customer relationships intangibles									$ 13,530
Recognized of customer relationships as goodwill									31,765
Finite lived intangible assets useful lives				6 years 3 months 21 days
Acquisition related expenses				$ 153
Date of agreement				Sep. 30, 2021
Name of acquired entity				Apptness
Payments made during the year				$ 17,934
Earnouts based on the operating performance									7,748
Business combination, cash holdback									1,396
Apptness Media Group, LLC | Developed Technology [Member]
Business Acquisition, Date of Acquisition Agreement
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment									2,740
Apptness Media Group, LLC | Database [Member]
Business Acquisition, Date of Acquisition Agreement
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment									60
Apptness Media Group, LLC | Property, Plant and Equipment, Other Types [Member]
Business Acquisition, Date of Acquisition Agreement
Business Combination, Recognized Identifiable Assets Acquired and Liabilities Assumed, Property, Plant, and Equipment									$ 1,983
Apptness Media Group, LLC | Series A Common Stock [Member]
Business Acquisition, Date of Acquisition Agreement
Business acquisition, number of shares | shares				3,924,914
Business combination, fair value				$ 23,000
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	18,548
Recognized customer relationships as deferred tax liabilities	$ 2,810
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	$ 9,322
Earnouts based on the operating performance	6,577
Business combination, cash holdback	962
Business combination working capital adjustment	64
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