Accrued Interest Receivable and Other Assets - Details of Accrued Interest Receivable and Other Assets (Detail) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Interest Receivable and Other Assets [Abstract]
Other real estate owned and repossessed assets	$ 20,217	$ 19,032
Accrued interest receivable	28,651	27,872
Accrued income and other receivables	7,384	4,534
Retirement plans	10,154	3,409
Fair market value of derivative financial instruments	226	717
Other prepaid expenses	12,517	9,662
Current income tax receivable	582	551
Net deferred tax assets	21,295	21,793
Other Receivables	11,072	7,633
Total accrued interest receivable and other assets	$ 112,098	$ 95,203