Premises and Equipment (Details) - USD ($) $ in Thousands	Jun. 30, 2023	Dec. 31, 2022
Property, Plant and Equipment [Line Items]
Right-of-use lease assets	$ 57,171	$ 46,845
Accumulated depreciation and amortization	(180,715)	(199,976)
Total premises and equipment, net	562,025	548,741
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	124,491	122,841
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	377,108	370,530
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	108,106	122,029
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	59,841	70,984
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 16,023	$ 15,488