Other Operating Expenses - Schedule of Other Operating Expenses (Detail) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Operating Costs and Expenses [Abstract]
Franchise and other miscellaneous taxes	$ 11,686	$ 12,012	$ 10,459
Consulting, regulatory and advisory fees	12,829	13,168	12,642
ATM and electronic banking interchange expenses	7,091	5,903	8,238
Legal fees	2,905	3,165	3,440
Communications	5,325	4,688	4,157
Other real estate owned and foreclosure expenses	349	789	219
Postage, supplies and other	27,629	24,592	30,906
Total other operating expenses	$ 67,814	$ 64,317	$ 70,061