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Investments - Credit Quality Indicator (Details) | Sep. 30, 2023 USD ($)
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AAA/AA/A |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |
Total debt securities held-to-maturity | $ 238,467
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 | 192,056
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 | 46,411
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 | 30,163
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 | 30,163
Unrated |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |
Total debt securities held-to-maturity | 24,427
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 | 8,532
Unrated | Corporate debt securities |
Debt Securities, Held-to-maturity, Credit Quality Indicator [Line Items] |
Total debt securities held-to-maturity | $ 15,895

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- Definition Amount excluding accrued interest, before allowance for credit loss, of investment in debt security measured at amortized cost (held-to-maturity). + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 45 -Paragraph 1 -Publisher FASB -URI https://asc.fasb.org//1943274/2147479344/326-20-45-1 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 3B -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-3B Reference 3: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 20 -Name Accounting Standards Codification -Section 50 -Paragraph 5 -Subparagraph (b) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479319/326-20-50-5 + Details
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