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INVESTMENT SECURITIES INVESTMENTS - Additional Information (Details)
$ in Thousands
 12 Months Ended
Dec. 31, 2024
USD ($)
numberOfSecurities
entity
Dec. 31, 2023
USD ($)
Dec. 31, 2022
USD ($)
Gain (Loss) on Securities [Line Items]      
Proceeds from Sale of Debt Securities, Available-for-sale $ 352,464 $ 92,187 $ 277,082
Debt Securities, Available-for-sale, Realized Loss 16,600 1,300 1,600
Available For Sale Securities Net Realized Gain Loss Tax Provision (3,600) (284) (132)
Debt Securities, Held-to-Maturity, Amortized Cost, after Allowance for Credit Loss, Transfer, Amount 0 0  
Debt Securities, Available-for-Sale, Restricted 1,500,000 1,600,000  
Debt Securities, Held-to-maturity, Allowance for Credit Loss $ 0 $ 0  
NumberOfSecuritiesInSecurityPortfolio 743 972  
Debt Securities, Held-to-maturity, Nonaccrual $ 0    
Debt Securities, Held-to-maturity, Accumulated Unrecognized Loss (8,013) $ (8,763)  
Proceeds from Sale and Maturity of Debt Securities, Available-for-sale     277,100
Debt Securities, Available-for-sale, Realized Gain 1,200   1,000
Proceeds from Sale of Other Investments 11,559 0 $ 0
Equity Securities, FV-NI, Unrealized Gain (Loss) 2,200    
Debt Securities, Available-for-Sale, Realized Gain (Loss) 9,700    
Debt Securities, Unrealized Gain (Loss) $ 1,100    
Debt Securities, Unrealized Gain (Loss), Number | numberOfSecurities 2    
Debt Securities, Available-for-Sale, Realized Gain (Loss), Number | entity 2    
Debt Securities, Available-for-Sale, Unrealized Loss Position $ 2,531,876 $ 2,820,773  
Debt Securities, Available-for-Sale, Unrealized Loss Position, Number of Positions 644 783  
Financial Instrument, Other      
Gain (Loss) on Securities [Line Items]      
Debt Securities, Available-for-Sale, Unrealized Loss Position $ 11,100