v3.25.1
Business Combinations - Summary of Allocation of Acquired Intangible Assets and Related Estimates of Useful Lives (Detail) - USD ($)
$ in Thousands
Dec. 02, 2024
Dec. 31, 2024
Former TechTarget [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 575,000  
Customer Relationships [Member] | Former TechTarget [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 395,000  
Useful Life 17 years  
Developed Technology [Member] | Minimum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Useful Life   3 years
Developed Technology [Member] | Maximum [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Useful Life   10 years
Developed Technology [Member] | Former TechTarget [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 115,000  
Useful Life 7 years  
Trade Names [Member] | Former TechTarget [Member]    
Acquired Finite-Lived Intangible Assets [Line Items]    
Gross Carrying Amount $ 65,000  
Useful Life 16 years