Goodwill and Intangible Assets - Schedule of Changes in the Carrying Amount of Goodwill (Detail) - USD ($) $ in Thousands	Mar. 31, 2022	Dec. 31, 2021
Goodwill [Line Items]
Cost	$ 1,520,049	$ 1,492,681
Accumulated Impairment Loss	25,797	25,797
Net Carrying Amount	1,494,252	$ 1,466,884
SafekeepInc [Member]
Goodwill [Line Items]
Cost	27,368
Accumulated Impairment Loss	0
Net Carrying Amount	$ 27,368