Borrowings - Schedule of Borrowings (Detail) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022	Jun. 30, 2022
Debt Disclosure [Abstract]
Securities sold under agreements with customers to repurchase	$ 559,478	$ 618,829	$ 738,986
Federal funds purchased	7,125	2,625	8,325
Other Borrowings	21,053	21,053	21,053
Total	$ 587,656	$ 642,507	$ 768,364