Goodwill and Other Intangibles - Additional Information (Detail) - USD ($) $ in Thousands		3 Months Ended
	Mar. 28, 2022	Mar. 31, 2022	Mar. 31, 2021
Goodwill And Intangible Assets Disclosure [Abstract]
Disposition of goodwill			$ 6,300
Unamortized customer relationship intangibles			$ 1,900
Loan acquired	$ 42,900
Deposit acquired	234,500
Recognition of goodwill	7,700	$ 7,707
Core deposit intangible asset	$ 2,300