Premises and Equipment (Details) - USD ($) $ in Thousands	Dec. 31, 2022	Dec. 31, 2021
Property, Plant and Equipment [Line Items]
Right-of-use lease assets	$ 46,845	$ 48,855
Accumulated depreciation and amortization	(199,976)	(171,144)
Total premises and equipment, net	548,741	483,469
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	122,841	101,728
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	370,530	320,844
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	122,029	107,122
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	70,984	66,947
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 15,488	$ 9,117