Investments - Additional Information (Details)	3 Months Ended			9 Months Ended			12 Months Ended
	Sep. 30, 2026 USD ($) FinancialInstrument		Sep. 30, 2025 USD ($) shares	Sep. 30, 2026 USD ($) FinancialInstrument		Sep. 30, 2025 USD ($)	Dec. 31, 2025 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			0
Fair value transfer, investments between levels	$ 0		$ 0
Fixed maturities, available-for-sale	222,345,000			$ 222,345,000			$ 253,152,000
Fair value of warrants				1,545,000			0
Unrealized gains (losses) on equity securities	(625,000)		3,161,000	4,136,000		$ 3,429,000
Surplus Note
Schedule of Available-for-sale Securities
Fixed maturities, available-for-sale	6,000,000	[1]	$ 6,000,000	6,000,000	[1]	$ 6,000,000	$ 6,000,000	[1]
Warrants issued to purchase common stock | shares			18,497
Mutual Fund [Member]
Schedule of Available-for-sale Securities
Unrealized gains (losses) on equity securities	$ (560,000)			$ 2,565,000

[1] Distributions will be generated from operating income, investment gains, underlying investments of funds, and from liquidation of the underlying assets of the funds. The Company estimates that the underlying assets of the funds will be liquidated over the next four to seven years.