Premises and Equipment (Details) - USD ($) $ in Thousands	Mar. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Right-of-use lease assets	$ 63,584	$ 67,224
Accumulated depreciation and amortization	(228,573)	(222,682)
Total premises and equipment, net	573,616	585,431
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	119,643	124,819
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	412,569	404,223
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	124,979	123,741
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	64,609	63,844
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 16,805	$ 24,262