Investments - Amortized Cost and Carrying Value of Fixed Maturities by Contractual Maturity (Details) - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Investments [Abstract]
Due in one year or less, Carrying value	$ 7,915	$ 7,484
Due in one year or less, Amortized cost	8,002	7,497
Due after one year through five years, Carrying value	66,531	62,722
Due after one year through five years, Amortized cost	67,793	64,703
Due after five years through ten years, Carrying value	27,745	32,820
Due after five years through ten years, Amortized cost	28,319	35,552
Due after ten years, Carrying value	96,421	80,199
Due after ten years, Amortized cost	107,897	95,466
Asset backed securities, Carrying value	36,857	29,387
Asset backed securities, Amortized cost	39,692	33,081
Carrying value total	235,469	212,612
Amortized cost total	$ 251,703	$ 236,299