Contract Balances - Deferred Revenue and Advance Payments (Detail) - USD ($) $ in Thousands	Mar. 31, 2023	Dec. 31, 2022
Deferred Revenue Disclosure [Abstract]
Deferred product licenses revenue, Current	$ 479	$ 2,825
Deferred subscription services revenue, Current	46,719	51,861
Deferred product support revenue, Current	159,792	155,366
Deferred other services revenue, Current	4,778	7,376
Total current deferred revenue and advance payments	211,768	217,428
Deferred product licenses revenue, Non-current	2,710	2,742
Deferred subscription services revenue, Non-current	2,671	3,030
Deferred product support revenue, Non-current	5,712	6,387
Deferred other services revenue, Non-current	553	604
Total non-current deferred revenue and advance payments	$ 11,646	$ 12,763