Premises and Equipment - Future Minimum Lease Payments Under Non-cancellable Leases (Detail) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Abstract]
Operating Leases, 2024	$ 5,299
Operating Leases, 2025	5,082
Operating Leases, 2026	4,983
Operating Leases, 2027	4,497
Operating Leases, 2028	3,930
Operating Leases, 2029 and thereafter	35,518
Operating Leases, Total lease payments	59,309
Operating Leases, Less: capitalized interest	(13,053)
Operating Leases, Present value of lease liabilities	$ 46,256	$ 43,000
Operating Lease Liability Statement Of Financial Position Extensible List	Other liabilities	Other liabilities	Other liabilities
Finance Leases, 2024	$ 4,954
Finance Leases, 2025	4,930
Finance Leases, 2026	4,885
Finance Leases, 2027	4,641
Finance Leases, 2028	4,614
Finance Leases, 2029 and thereafter	13,929
Finance Leases, Total lease payments	37,953
Finance Leases, Less: capitalized interest	(8,949)
Finance Leases, Present value of lease liabilities	$ 29,004	$ 9,800
Finance lease ROU liabilities statement of financial position extensible list	Other liabilities	Other liabilities
2024	$ 10,253
2025	10,012
2026	9,868
2027	9,138
2028	8,544
2029 and thereafter	49,447
Total lease payments	97,262
Less: capitalized interest	(22,002)
Present value of lease liabilities	$ 75,260