v3.26.1
INVESTMENT SECURITIES - Additional Information (Details) - USD ($)
3 Months Ended
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Debt securities available for sale, allowance for credit losses $ 0   $ 0
Debt securities, available-for-sale, accrued interest, after allowance for credit loss 15,700,000   16,200,000
Debt securities held to maturity, allowance for credit losses 330,000   290,000
Debt securities, held-to-maturity, accrued interest, after allowance for credit loss 15,500,000   15,700,000
Debt securities, available-for-sale, realized loss (gain) 0 $ 0  
Municipal bond portfolio, value 1,000,000,000.0    
Corporate bond portfolio, at carrying value $ 112,100,000    
Pennsylvania, Ohio and Maryland | Geographic Concentration Risk | Municipal Bonds      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Percent of total loans and leases 60.00%    
Minimum | General Obligation Bonds | Credit Concentration Risk | A Rating or Better | Municipal Bonds      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Percent of total loans and leases 96.00%    
Weighted Average | Municipal Bonds      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Average holding size of securities in bond portfolio $ 2,500,000    
Weighted Average | Corporate Bond      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Average holding size of securities in bond portfolio $ 4,700,000    
US government      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Unrealized loss on debt securities, available-for-sale and held-to-maturity, backed or sponsored percentage 86.30%    
States of the U.S. and political subdivisions (municipals)      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Debt securities held to maturity, allowance for credit losses $ 60,000.00   60,000.00
Other debt securities      
Held To Maturity Securities And Available For Sale Securities [Line Items]      
Debt securities held to maturity, allowance for credit losses $ 270,000   $ 230,000