Securities - Schedule of Amortized Cost of Debt Securities Held-to-Maturity, Aggregated by Credit Quality Indicator (Details) $ in Thousands	Jun. 30, 2024 USD ($)
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	$ 297,936
Investment Grade
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	283,979
Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	13,957
State and municipal debt obligations
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	210,758
State and municipal debt obligations | Investment Grade
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	210,758
State and municipal debt obligations | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	0
Corporate debt securities
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	66,647
Corporate debt securities | Investment Grade
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	52,690
Corporate debt securities | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	13,957
Non-agency commercial MBS
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	20,531
Non-agency commercial MBS | Investment Grade
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	20,531
Non-agency commercial MBS | Non-Investment Grade/Non-rated
Securities Financing Transaction [Line Items]
Amortized cost of debt securities held-to-maturity	$ 0