v3.25.2
Business Overview and Basis of Presentation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Jan. 10, 2024
Mar. 31, 2025
Mar. 31, 2024
Dec. 02, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Amortization of Intangible Assets   $ 25,700 $ 10,900  
Income tax benefit (provision)   $ (26,403) 7,698  
Restatement Adjustment [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Amortization of Intangible Assets     2,900  
Increase in the contingent consideration remeasurement loss     800  
Income tax benefit (provision)     $ 4,743  
Informa HoldCo [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Ownership percentage of shares outstanding       58.00%
Former TechTargets [Member]        
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]        
Cash consideration $ 350,000      
Share price $ 11.7     $ 11.7
Ownership percentage of shares outstanding       42.00%