v3.26.1
LOANS AND ALLOWANCE FOR CREDIT LOSSES ON LOANS (Composition of Loan Portfolio) (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 4,963,017 $ 4,965,138
Commercial Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,610,435 2,602,544
Commercial real estate - non-owner-occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,780,079 1,778,985
Commercial real estate - owner-occupied    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 415,662 406,120
Commercial    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 414,694 417,439
Retail Loans    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 2,352,582 2,362,594
Residential real estate    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 1,993,435 2,012,922
Home equity    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans 342,874 332,256
Consumer    
Accounts, Notes, Loans and Financing Receivable [Line Items]    
Loans $ 16,273 $ 17,416