Investments - Credit Quality Indicator (Details) $ in Thousands	Jun. 30, 2026 USD ($)
AAA/AA/A
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	$ 226,219
AAA/AA/A | Obligations of states and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	192,406
AAA/AA/A | Private label mortgage and asset backed securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	33,813
AAA/AA/A | Corporate debt securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	0
BBB
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	15,490
BBB | Obligations of states and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	0
BBB | Private label mortgage and asset backed securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	0
BBB | Corporate debt securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	15,490
Unrated
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	23,083
Unrated | Obligations of states and political subdivisions
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	0
Unrated | Private label mortgage and asset backed securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	11,936
Unrated | Corporate debt securities
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items]
Total debt securities held-to-maturity	$ 11,147