v3.25.2
Business Overview and Basis of Presentation - Additional Information (Detail) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 6 Months Ended
Jan. 10, 2024
Jun. 30, 2025
Jun. 30, 2024
Jun. 30, 2025
Jun. 30, 2024
Dec. 02, 2024
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Amortization of Intangible Assets   $ 25,800 $ 11,300 $ 51,600 $ 22,300  
Income tax benefit (provision)   $ 19,602 (966) $ (6,801) 6,732  
Restatement Adjustment [Member]            
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]            
Amortization of Intangible Assets     2,900   5,700  
Increase in the contingent consideration remeasurement loss     700   1,500  
Income tax benefit (provision)     $ (871)   $ 3,872  
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%