Contract Balances - Deferred Revenue and Advance Payments (Detail) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Deferred Revenue Disclosure [Abstract]
Deferred product licenses revenue, Current	$ 409	$ 3,579
Deferred subscription services revenue, Current	74,164	65,512
Deferred product support revenue, Current	106,866	152,012
Deferred other services revenue, Current	2,963	7,059
Total current deferred revenue and advance payments	184,402	228,162
Deferred product licenses revenue, Non-current	0	0
Deferred subscription services revenue, Non-current	3,373	3,097
Deferred product support revenue, Non-current	2,635	4,984
Deferred other services revenue, Non-current	336	443
Total non-current deferred revenue and advance payments	$ 6,344	$ 8,524