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Fair Value Measurements - Summary of Carrying Value and Estimated Fair Value of Company's Financial Instruments Not Carried at Fait Value (Details) - USD ($) $ in Thousands	Dec. 31, 2025	Dec. 31, 2024
Carrying Value
Fair Value Assets Measured On Recurring Basis [Line Items]
Surplus note	$ 618	$ 1,029
Estimated Fair Value
Fair Value Assets Measured On Recurring Basis [Line Items]
Surplus note	$ 499	$ 885

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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.

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- Definition

Financial instruments issued by insurance entities (surplus notes) that are includable in surplus for statutory accounting purposes as prescribed or permitted by state laws and regulations that are liabilities of the issuer.

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