Short-term Borrowings - Interest Expense on Short-Term Borrowings (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	$ 1,999	$ 99	$ 704
Federal funds purchased
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	61	0	44
Borrowings from FHLB
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	1,759	0	434
Securities sold under agreements to repurchase
Interest On Short Term Borrowings [Line Items]
Total interest on short-term borrowings	$ 179	$ 99	$ 226