v3.26.1
LOANS HELD FOR INVESTMENT - Additional Information III (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Revolving loans converted to term loans $ 0   $ 0
Accrued interest receivable on loans and investments 67,722,000   71,351,000
Charge-offs 27,201,000 $ 28,210,000  
Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs 390,000 77,000  
Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs 562,000 0  
Commercial Portfolio Segment [Member] | Construction Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs $ 0 $ 0  
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Commercial and Industrial Sector [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
LTV Coverage % 77.00%    
Repayment of loans $ 1,200,000    
Commercial Portfolio Segment [Member] | Puerto Rico [Member] | Commercial Mortgage Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
LTV Coverage % 80.00%    
Nonaccrual commercial relationship $ 4,700,000    
Commercial Portfolio Segment [Member] | Florida region [Member] | Commercial and Industrial Sector [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs 0    
Commercial Portfolio Segment [Member] | Florida region [Member] | Commercial Mortgage Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs 0    
Commercial Portfolio Segment [Member] | Florida region [Member] | Construction Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Charge-offs 0    
Collateral Pledged [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Nonaccrual commercial relationship 30,533,000   33,718,000
Collateral Pledged [Member] | Commercial Portfolio Segment [Member] | Commercial and Industrial Sector [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Nonaccrual commercial relationship 12,447,000   13,753,000
Collateral Pledged [Member] | Commercial Portfolio Segment [Member] | Commercial Mortgage Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Nonaccrual commercial relationship 17,130,000   19,009,000
Collateral Pledged [Member] | Commercial Portfolio Segment [Member] | Construction Loans [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Nonaccrual commercial relationship $ 956,000   $ 956,000
Collateral Pledged [Member] | Weighted Average [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
LTV Coverage % 65.00%   67.00%
Loans and Finance Receivables [Member]      
Accounts, Notes, Loans and Financing Receivable [Line Items]      
Accrued interest receivable on loans and investments $ 54,500,000   $ 58,700,000