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DEBT SECURITIES - Additional Information (Details) - USD ($)
 6 Months Ended
Jun. 30, 2025
Dec. 31, 2024
Schedule Of Investments [Line Items]    
Proceeds from sales of available-for-sale debt securities $ 409,400,000  
Allowance for credit losses, Held-to-Maturity securities 765,000 $ 802,000
Held to maturity securities classified as cash and cash equivalents 0 0
Debt Securities, Held-to-maturity 307,286,000 317,786,000
Past Due [Member]    
Schedule Of Investments [Line Items]    
Debt Securities, Held-to-maturity 0 0
Municipal Bonds [Member]    
Schedule Of Investments [Line Items]    
Allowance for credit losses, Held-to-Maturity securities 800,000  
U.S. Treasury securities [Member]    
Schedule Of Investments [Line Items]    
Proceeds from sales of available-for-sale debt securities $ 196,800,000  
Average yield 4.27%  
U.S. Agency MBS [Member]    
Schedule Of Investments [Line Items]    
Proceeds from sales of available-for-sale debt securities $ 212,600,000  
Average yield 5.29%  
Residential MBS [Member]    
Schedule Of Investments [Line Items]    
Proceeds from sales of available-for-sale debt securities $ 195,500,000  
Allowance for credit losses, Held-to-Maturity securities 0 0
Debt Securities, Held-to-maturity $ 121,074,000 $ 129,319,000
Residential MBS [Member] | Private label [Member]    
Schedule Of Investments [Line Items]    
Debt Instrument Description Of Variable Rate Basis 3-month CME Term SOFR  
Spread on variable rate 0.26161%  
Residential MBS [Member] | FICO Score, Greater than 700 [Member] | Private label [Member] | LTV Less than 80 Percent [Member]    
Schedule Of Investments [Line Items]    
Loan To Value Coverage Percentage 80.00%