v3.25.1
Business Overview and Basis of Presentation - Additional Information (Detail)
$ / shares in Units, $ in Thousands
 3 Months Ended 6 Months Ended 9 Months Ended 12 Months Ended
Dec. 02, 2024
USD ($)
$ / shares
Jan. 10, 2024
USD ($)
$ / shares
shares
Sep. 30, 2024
USD ($)
Jun. 30, 2024
USD ($)
Mar. 31, 2024
USD ($)
Dec. 31, 2023
USD ($)
Sep. 30, 2023
USD ($)
Jun. 30, 2023
USD ($)
Mar. 31, 2023
USD ($)
Jun. 30, 2024
USD ($)
Jun. 30, 2023
USD ($)
Sep. 30, 2024
USD ($)
Sep. 30, 2023
USD ($)
Dec. 31, 2024
USD ($)
Countries
shares
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
May 28, 2025
USD ($)
Jan. 01, 2022
USD ($)
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Number of offices globally | Countries                           11        
Common stock, shares issued | shares                           71,460,169        
Increase to contract liabilities                           $ 27,200 $ 28,200 $ 24,700    
Purchase price and goodwill           $ 16,500                 16,500      
Amortization of Intangible Assets                           48,600 42,200 21,500    
Decrease of goodwill                             9,500      
General and administrative expense     $ 18,365 $ 17,394 $ 18,178 16,020 $ 17,335 $ 16,501 $ 17,032         79,029 66,888 48,982    
Income tax benefit     3,566 (966) 7,698 (3,994) 3,082 6,519 4,020         12,535 9,627 16,857    
Deferred tax liabilities           23,095               139,356 23,095      
Decrease in income taxes payable         361       2,016 $ 223 $ 2,057 $ 1,479 $ 2,834 7,949 3,122 1,767    
Increase in deferred tax assets           337               5,097 337      
Contingent consideration long-term           46,199               0 46,199      
Goodwill impairment charge               139,645     139,645   139,645 66,235 139,645 0    
Intangible assets net           276,544                 276,544      
Goodwill           (475,814)               (973,398) (475,814) (565,493)    
Non-cash charges for impairment of goodwill and long-lived assets                           116,900        
Cash in operating activities $ 64,900       (1,753)       3,941 (31,067) 18,769 (35,647) 4,913 (64,854) (12,505) 28,060    
Contract liabilities                             (8,366) (3,464)    
Contingent consideration settlement                           $ 3,980   2,760    
Subsequent Event                                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Line of credit facility                                 $ 250,000  
Line of credit facility, availability remains                                 $ 115,000  
Cumulative Catch up Adjustment [Member]                                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Net Parent investment                                   $ 700
Intangible assets net           17,700                 17,700      
Measurement of Sales Tax Liability [Member]                                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Other liabilities and goodwill                             9,800      
Decrease to other liabilities           9,600                 9,600      
General and administrative expense                             200 100    
Understatement [Member]                                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Increase in deferred tax assets           11,400                 11,400      
Restatement Adjustment [Member]                                    
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items]                                    
Net Parent investment                                   $ 2,000
Increase to contract liabilities                             2,000      
Increase in the contingent consideration remeasurement loss                               3,500    
Amortization of Intangible Assets                             11,300 5,700    
General and administrative expense     160 325 (457) 260 (1,348) 1,713 176           801 1,103    
Income tax benefit     $ (116) $ (871) 4,743 (2,692) $ 2,222 5,422 (1,102)           3,850 1,719    
Deferred tax liabilities           7,803                 7,803      
Decrease in income taxes payable         361       2,016 223 2,057 1,479 2,834   3,122 1,767    
Decrease in deferred tax liabilities                             3,600      
Contingent consideration long-term           8,699                 8,699      
Contingent consideration remeasurement gain                             11,300      
Goodwill impairment charge               $ 9,513     9,513   9,513   9,513      
Intangible assets net           (17,315)                 (17,315)      
Goodwill           $ (8,338)                 (8,338)      
Cash in operating activities         $ (200)       $ 342 $ (828) $ 1,069 $ (643) $ 981   1,531 48    
Contract liabilities                             $ 514 (7,822)    
Contingent consideration settlement                               $ 2,760    
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 paid/consideration $ 348,971 [1] $ 350,000                                
Share price | $ / shares $ 11.7 $ 11.7                                
Ownership percentage of shares outstanding 42.00%                                  
Common stock, shares issued | shares   41,651,366                                
Purchase price and goodwill $ 386,792                                  
Goodwill $ (564,657)                                  
[1] Represents the total cash consideration paid to Former TechTarget stockholders.