Background and Basis of Presentation - Surplus Note Exchange (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Background And Basis Of Presentation [Line Items]
Realized Investment Gains (Losses)	$ (2,577)	$ (496)	$ 19
Parent Company [Member]
Background And Basis Of Presentation [Line Items]
Realized Investment Gains (Losses)	$ (3,088)	$ (498)	$ 55