Annual report [Section 13 and 15(d), not S-K Item 405]

PREMISES AND EQUIPMENT (Summary of Bank Premises and Equipment) (Details)

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PREMISES AND EQUIPMENT (Summary of Bank Premises and Equipment) (Details) - USD ($)
$ in Thousands
Dec. 31, 2025
Dec. 31, 2024
Property, Plant and Equipment [Line Items]    
Total $ 317,051 $ 263,136
Accumulated depreciation and amortization (150,299) (150,432)
Bank premises and equipment, net 166,752 112,704
Land [Member]    
Property, Plant and Equipment [Line Items]    
Total 46,977 28,517
Land, Buildings and Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total 144,466 126,907
Leasehold Improvements [Member]    
Property, Plant and Equipment [Line Items]    
Total 29,146 21,731
Furniture and Fixtures [Member]    
Property, Plant and Equipment [Line Items]    
Total 94,218 84,717
Asset under Construction [Member]    
Property, Plant and Equipment [Line Items]    
Total $ 2,244 $ 1,264