Fair Value Measurements - Schedule of Amortized Cost, Gross Unrealized Gains and Losses, and Fair Value of Investments in Fixed Maturity Securities (Details) $ in Thousands	Sep. 30, 2026 USD ($)
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	$ 43,423
Gross Unrealized Gains	367
Gross Unrealized Losses	(407)
Fair Value	43,383
U.S. Treasury [Member]
Debt Securities, Available-for-Sale [Line Items]
Amortized Cost	43,423
Gross Unrealized Gains	367
Gross Unrealized Losses	(407)
Fair Value	$ 43,383

Amortized cost of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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- Definition

Amount of investment in debt security measured at fair value with change in fair value recognized in other comprehensive income (available-for-sale).

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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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