Variable Interest Entity - Summary of Unaudited Financial Information and Unaudited Financial Position (Parenthetical) (Details) - USD ($) $ in Thousands |
Sep. 30, 2026 |
Dec. 31, 2025 |
|---|---|---|
| Restricted Cash and Cash Equivalent Item [Line Items] | ||
| Available-for-sale Debt securities, Amortized cost | $ 1,295,000 | $ 595,383 |
| Available-for-sale Debt securities, Allowance for credit losses | 0 | 0 |
| Premiums Receivable, Allowance | 5,271 | 4,469 |
| Paid losses and loss adjustments allowance | 0 | 0 |
| Unpaid losses and loss adjustments allowance | 62 | 97 |
| Consolidated Variable Interest Entities [Member] | ||
| Restricted Cash and Cash Equivalent Item [Line Items] | ||
| Available-for-sale Debt securities, Amortized cost | 33,664 | 0 |
| Available-for-sale Debt securities, Allowance for credit losses | 0 | 0 |
| Premiums Receivable, Allowance | 1,500 | 1,406 |
| Paid losses and loss adjustments allowance | 0 | 0 |
| Unpaid losses and loss adjustments allowance | $ 1 | $ 1 |
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- Definition Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of allowance for credit loss on investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale). Reference 1: http://www.xbrl.org/2003/role/disclosureRef
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- Definition The carrying value as of the balance sheet date of the estimated valuation allowance to reduce gross premiums receivable to net realizable value. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of valuation allowance for reinsurance recoverables on paid losses. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Amount of valuation allowance for reinsurance recoverables for losses reported to the ceding insurer but not yet paid, and for amounts expected based upon statistical projections and other measures of incurred losses and loss settlement expenses which have not yet been reported to the ceding insurer. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
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- Details
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