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Investments - Narrative (Details) $ in Thousands | Mar. 31, 2024 USD ($) security | Dec. 31, 2023 USD ($) security
--- | --- | ---
Net Investment Income [Line Items] |  |
Short-term investments | $ 31,175 | $ 35,588
Long-term investments | $ 102,941 | $ 103,588
Number of securities in an unrealized loss position | security | 475 | 410
Unrealized loss position for 12 months or longer | security | 81 |
Investments Held By Captive Reinsurance Business |  |
Net Investment Income [Line Items] |  |
Investments | $ 37,500 |
Short-term investments | 3,300 |
Long-term investments | $ 34,300 |

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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in continuous unrealized loss position for 12 months or longer, without an allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
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- Definition Number of investments in debt securities measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale), in unrealized loss position, without allowance for credit loss. Includes beneficial interest in securitized financial asset. + References Reference 1: http://fasb.org/us-gaap/role/ref/otherTransitionRef -Topic 320 -SubTopic 10 -Name Accounting Standards Codification -Section 50 -Paragraph 6 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147481800/320-10-50-6 Reference 2: http://www.xbrl.org/2003/role/disclosureRef -Topic 326 -SubTopic 30 -Name Accounting Standards Codification -Section 50 -Paragraph 4 -Subparagraph (b)(3) -Publisher FASB -URI https://asc.fasb.org//1943274/2147479106/326-30-50-4 + Details
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