PREMISES AND EQUIPMENT (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Property, Plant and Equipment [Line Items]
Right-of-use lease assets	$ 51,203	$ 67,224
Accumulated depreciation and amortization	(246,580)	(222,682)
Total premises and equipment, net	561,220	585,431
Land
Property, Plant and Equipment [Line Items]
Premises and equipment	117,172	124,819
Buildings and improvements
Property, Plant and Equipment [Line Items]
Premises and equipment	417,866	404,223
Furniture, fixtures and equipment
Property, Plant and Equipment [Line Items]
Premises and equipment	129,891	123,741
Software
Property, Plant and Equipment [Line Items]
Premises and equipment	65,702	63,844
Construction in progress
Property, Plant and Equipment [Line Items]
Premises and equipment	$ 25,966	$ 24,262