Goodwill and Core Deposit Intangible - Additional Information (Detail) - USD ($) $ in Thousands	6 Months Ended
	Jun. 30, 2023	Mar. 31, 2023	Dec. 31, 2022
Goodwill And Intangible Assets Disclosure [Line Items]
Goodwill	$ 8,853	$ 8,853	$ 8,853
Core deposit intangible assets	1,662	$ 1,662	$ 1,825
Goodwill tax deductible	$ 8,900
Goodwill amortization period	15 years
Core Deposits [Member]
Goodwill And Intangible Assets Disclosure [Line Items]
Core deposit intangible assets	$ 4,200
Intangible assets amortized year	10 years