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v3.24.1.u1

Investments (Narrative) (Details) | 3 Months Ended |
--- | --- | ---
Mar. 31, 2024 USD ($) investment security issuer business | Mar. 31, 2023 USD ($) | Dec. 31, 2023 USD ($) security issuer
Debt Securities, Available-for-Sale [Line Items] |  |  |
Number of investment in any entity or affiliates greater than 10% of stockholders' equity | investment | 0 |  |
Threshold limit of investments based on shareholders' equity | 10.00% |  |
Securities on deposit with state insurance departments | $ 53,500,000 |  |
Number of LPs / LLCs with investment ownership percent over 25% (in businesses) | business | 4 |  |
Investment in unconsolidated subsidiaries | $ 278,931,000 |  | $ 276,756,000
Net impairment losses recognized in earnings | (934,000) | $ (2,933,000) |
Portion of impairment losses recognized in other comprehensive income (loss) before taxes | 576,000 | $ 0 |
Asset Pledged as Collateral |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Securities on deposit with state insurance departments | 70,600,000 |  |
Tax Year 2019 |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Tax credit carryforwards | $ 52,700,000 |  |
Tax Credit Partnerships Less Than 20% Ownership | Maximum |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Investment ownership percentage | 20.00% |  |
Other Limited Partnerships and Limited Liability Company, Greater Than 25% Ownership |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Investment ownership percentage | 25.00% |  |
Investment in unconsolidated subsidiaries | $ 24,000,000 |  | 23,000,000
Other Limited Partnerships and Limited Liability Company Less than 25% Ownership |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Investment in unconsolidated subsidiaries | $ 254,400,000 |  | $ 253,100,000
Non government-backed |  |  |
Debt Securities, Available-for-Sale [Line Items] |  |  |
Debt securities in unrealized loss position (in securities) | security | 2,545 |  | 2,531
Debt securities in unrealized loss position as percentage of total debt securities held | 64.80% |  | 65.60%
Issuers in unrealized loss position (in issuers) | issuer | 1,328 |  | 1,319
Single greatest unrealized loss position | $ 5,300,000 |  | $ 5,000,000
Second greatest unrealized loss position | $ 3,300,000 |  | $ 3,200,000

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