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

LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Narrative) (Details)

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LOANS AND ALLOWANCE FOR LOAN AND LEASE LOSSES (Narrative) (Details)
 12 Months Ended 24 Months Ended
Dec. 31, 2024
USD ($)
segment
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Dec. 31, 2024
USD ($)
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Nonaccrual loans, interest income $ 0 $ 0 $ 0  
Loans under modified terms 35,177,000 51,237,000    
Amortized Cost 35,177,000 51,237,000    
Total Allowance for credit losses 178,644,000 132,182,000 110,768,000 $ 178,644,000
Unfunded commitments on TLM loans 198,000 1,600,000   198,000
Transfer from LHFI to LHFS $ 0 0 899,000  
Number of operating segments | segment 2      
Loans held for investment, accrued interest receivable $ 73,700,000 72,500,000   $ 73,700,000
Financing Receivable Accrued Interest After Allowance For Credit Loss Statement Of Financial Position Extensible List Not Disclosed (Flag)       true
Commercial Portfolio Segment [Member]        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Total Allowance for credit losses 148,887,000 105,896,000 $ 82,753,000 $ 148,887,000
Troubled Loan Modifications        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans under modified terms 35,200,000 51,200,000    
Amortized Cost $ 35,200,000 51,200,000    
Period for restructured loan to be considered default 90 days      
Total Allowance for credit losses $ 454,000 $ 289,000   454,000
Troubled Loan Modifications | Past Due        
Accounts, Notes, Loans and Financing Receivable [Line Items]        
Loans under modified terms       0
Amortized Cost       $ 0