Goodwill and Other Intangible Assets - Components of Goodwill and Other Intangible Assets (Detail) - USD ($) $ in Thousands	Jun. 30, 2022	Dec. 31, 2021	Jun. 30, 2021	Dec. 31, 2020
Goodwill And Intangible Assets Disclosure [Abstract]
Goodwill	$ 377,884	$ 379,421	$ 380,687	$ 383,861
Other intangible assets (net of accumulated amortization)	120	150
Goodwill and other intangible assets, Total	$ 378,004	$ 379,571