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Business Overview and Basis of Presentation - Additional Information (Detail) - USD ($) $ / shares in Units, $ in Millions | Jan. 10, 2024 | Jun. 30, 2026 | Dec. 31, 2025 | Dec. 02, 2024
--- | --- | --- | --- | ---
Collaborative Arrangement and Arrangement Other than Collaborative [Line Items] |  |  |  |
Common stock, shares issued |  | 72,346,562 | 72,308,235 |
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 |  |  |
Common stock, shares issued | 41,651,366 |  |  |
Share price | $ 11.7 |  |  |
Ownership percentage of shares outstanding |  |  |  | 42.00%

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