Acquisition Related Liabilities - Schedule of Acquisition Related Liabilities (Detail) - USD ($) $ in Thousands	3 Months Ended
	Mar. 31, 2023	Dec. 31, 2022
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	$ 32,675
Additions		$ 1,139
Payments made during the period	(980)
Change in fair value of earn-out	1,652
Balance as of March 31, 2023	34,486
eBay CRM [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	8,000
Balance as of March 31, 2023	8,000
IgnitionOne [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	1,360
Balance as of March 31, 2023	1,360
Kinetic Data Solutions, LLC [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	892
Balance as of March 31, 2023	892
Vital Digital, Corp [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	2,300
Change in fair value of earn-out	76
Balance as of March 31, 2023	2,376
Apptness [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	10,301
Change in fair value of earn-out	1,154
Balance as of March 31, 2023	11,455
ArcaMax [Member]
Schedule of acquisition related liabilities [Line Items]
Balance as of January 1, 2023	9,822
Payments made during the period	(980)
Change in fair value of earn-out	422
Balance as of March 31, 2023	9,264
WhatCounts [Member]
Schedule of acquisition related liabilities [Line Items]
Additions		$ 1,139
Balance as of March 31, 2023	$ 1,139