Organization and Operations - Additional Information (Detail) $ / shares in Units, $ in Millions		6 Months Ended
	Jan. 10, 2024 USD ($) $ / shares	Jun. 30, 2024 Website Webinar $ / shares	Dec. 31, 2023 $ / shares
Number of websites | Website		150
Number of webinars/virtual event channels | Webinar		866
Transaction agreement per share of common stock | $ / shares	$ 11.79	$ 0.001	$ 0.001
Maximum [Member]
Termination fee payable	$ 40.0
Minimum [Member]
Termination fee payable	$ 30.0
New TechTarget [Member]
Equity method investment, ownership percentage	57.00%
Former Stockholders [Member]
Pro rata share of an amount in cash	$ 350.0
Pro rata share of an amount in cash, adjustment amount determined	$ 0.0