Short-Term Borrowings - Summary of Short-Term Borrowings (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Short-term Debt [Line Items]
Short-term borrowings	$ 300	$ 0
Weighted average interest rate	1.39%	0.08%
Federal Funds Purchased [Member]
Short-term Debt [Line Items]
Short-term borrowings	$ 300
Short-term Debt [Member]
Short-term Debt [Line Items]
End of period interest rate	4.30%	0.10%