v3.26.1
LOANS AND LEASES - Financial Difficulty Modifications (Details)
$ in Thousands
 3 Months Ended
Mar. 31, 2026
USD ($)
Mar. 31, 2025
USD ($)
Dec. 31, 2025
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 19,755 $ 3,242  
Finance Receivable Percentage Of Class Of Loans And Leases 0.0015 0.0003  
Derivative liabilities $ 462,845   $ 393,652
Unused Commitments to Extend Credit 4,660,934   4,467,728
Financing Receivable, Troubled Debt Restructuring, Subsequent Default 1,000 $ 1,000  
Foreign Exchange | Fair Value, Measurements, Recurring      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Derivative liabilities 391,874   322,172
Foreign Exchange | Fair Value Measurements Using Level 1 | Fair Value, Measurements, Recurring      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Derivative liabilities 0   0
Foreign Exchange | Fair Value Measurements Using Level 2 | Fair Value, Measurements, Recurring      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Derivative liabilities 391,874   322,172
Foreign Exchange | Fair Value Measurements Using Level 3 | Fair Value, Measurements, Recurring      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Derivative liabilities 0   0
Financial Difficulty Modification      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unused Commitments to Extend Credit 0 0  
Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification 0 0  
Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 18,012 3,002  
Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 1,743 $ 240  
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension 0.5 years 0.5 years  
Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 0  
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction 0.00% 0.00%  
Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 0  
Commercial      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 7,534 $ 240  
Finance Receivable Percentage Of Class Of Loans And Leases 0.0016 0.0001  
Unused Commitments to Extend Credit $ 2,153,967   2,066,620
Commercial | Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 $ 0  
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification 0 0  
Commercial | Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 6,341 0  
Commercial | Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 1,193 $ 240  
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension 0.4 years 0.5 years  
Commercial | Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 0  
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction 0.00% 0.00%  
Commercial | Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0 $ 0  
Residential real estate      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 1,278 $ 657  
Finance Receivable Percentage Of Class Of Loans And Leases 0.0007 0.0004  
Unused Commitments to Extend Credit $ 0   0
Residential real estate | Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 $ 0  
Residential real estate | Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 1,278 657  
Residential real estate | Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Residential real estate | Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Residential real estate | Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Home equity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 911 $ 71  
Finance Receivable Percentage Of Class Of Loans And Leases 0.0009 0.0001  
Unused Commitments to Extend Credit $ 1,171,062   1,103,581
Home equity | Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 $ 0  
Home equity | Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 911 71  
Home equity | Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Home equity | Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Home equity | Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Installment      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unused Commitments to Extend Credit 57,442   48,606
Construction real estate      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Unused Commitments to Extend Credit 711,584   680,920
Commercial real estate - investor      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 9,482 $ 2,274  
Finance Receivable Percentage Of Class Of Loans And Leases 0.0029 0.0008  
Unused Commitments to Extend Credit $ 202,341   204,747
Commercial real estate - investor | Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 $ 0  
Commercial real estate - investor | Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 9,482 2,274  
Commercial real estate - investor | Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Commercial real estate - investor | Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 0  
Commercial real estate - investor | Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0 $ 0  
Commercial real estate-owner      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 550    
Finance Receivable Percentage Of Class Of Loans And Leases 0.0005    
Unused Commitments to Extend Credit $ 36,996   $ 39,973
Commercial real estate-owner | Principal Forgiveness      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0    
Financing Receivable, Troubled Debt Restructuring, Increase (Decrease) from Modification 0    
Commercial real estate-owner | Payment Delay      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification 0    
Commercial real estate-owner | Extended Maturity      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 550    
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Term Extension 0.8 years    
Commercial real estate-owner | Contractual Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0    
Financing Receivable Restructured Loans Not Considered TDRs Weighted Average Interest Rate Reduction 0.00%    
Commercial real estate-owner | Term Extension and Interest Rate Reduction      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Financing Receivable, Troubled Debt Restructuring, Postmodification $ 0