Premises and Equipment - Summary of Premises and Equipment (Detail) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Land	$ 148,905	$ 93,862
Buildings	653,983	512,988
Leasehold improvements	386,303	304,825
Premises and equipment, gross	1,155,887	1,026,880
Less: accumulated depreciation and amortization	2,193,433	1,791,943
Right of use assets — operating leases	$ 616,082	$ 379,702
Operating Lease, Right-of-Use Asset, Statement of Financial Position [Extensible Enumeration]	Premises and equipment, net	Premises and equipment, net
Premises and equipment, net	$ 1,653,628	$ 1,144,765
Owned Assets [Member]
Property, Plant and Equipment [Line Items]
Furniture and equipment	1,004,127	880,153
Less: accumulated depreciation and amortization	1,155,811	1,026,842
Capital Leases [Member]
Property, Plant and Equipment [Line Items]
Furniture and equipment	115	115
Less: accumulated depreciation and amortization	$ 76	$ 38