Investments - Additional Information (Details)	12 Months Ended
	Dec. 31, 2025 USD ($) FinancialInstrument shares	Dec. 31, 2024 USD ($) FinancialInstrument
Schedule of Available-for-sale Securities
Credit Loss Change, Available-for-Sale Investments	$ 0
Financial instruments measured on non-recurring basis | FinancialInstrument	0	0
Fair value transfer, investments between levels	$ 0	$ 0
Fixed maturities, available-for-sale	253,152,000	$ 281,001,000
Surplus Note
Schedule of Available-for-sale Securities
Fixed maturities, available-for-sale	$ 6,000,000
Warrants issued to purchase common stock | shares	18,497