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Securities - Schedule of Amortized Cost of Debt Securities HTM, Aggregated by Credit Quality Indicator (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity $ 197,139
Investment Grade  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 183,733
Non-Investment Grade/Non-rated  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 13,406
State and municipal debt obligations  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 150,074
State and municipal debt obligations | Investment Grade  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 150,074
State and municipal debt obligations | Non-Investment Grade/Non-rated  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 0
Corporate debt securities  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 46,007
Corporate debt securities | Investment Grade  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 32,601
Corporate debt securities | Non-Investment Grade/Non-rated  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 13,406
Non-agency commercial MBS  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 1,058
Non-agency commercial MBS | Investment Grade  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity 1,058
Non-agency commercial MBS | Non-Investment Grade/Non-rated  
Securities Financing Transaction [Line Items]  
Total debt securities held-to-maturity $ 0