Premises and Equipment (Details) - USD ($) $ in Thousands	Sep. 30, 2024	Dec. 31, 2023
Property, Plant and Equipment [Line Items]
Right-of-use lease assets	$ 69,331	$ 67,267
Accumulated depreciation and amortization	(216,326)	(194,874)
Total premises and equipment, net	584,366	570,678
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	124,247	122,093
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	400,014	388,675
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	120,341	112,133
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	62,823	61,242
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 23,936	$ 14,142