Premises and Equipment, Net - Components of Premises and Equipment, Net (Details) - USD ($) $ in Thousands	Dec. 31, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 616,602	$ 765,766
Accumulated depreciation and amortization	(235,521)	(407,210)
Total premises and equipment, net	381,081	358,556
Land
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	80,349	84,594
Buildings
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	197,961	206,604
Leasehold improvements
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	165,878	123,278
Furniture and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment, gross	$ 172,414	$ 351,290