Investments - Schedule of Realized Gain (Loss) (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2026	Mar. 31, 2025
Fair Value at Sale
Fair value at sale	[1]	$ 3,839	$ 16,458
Fair value at sale	[1]	0	1,000
Net fair value at sale	[1]	3,839	17,458
Debt Securities, Available-for-Sale, Realized Gain		6	1,385
Debt Securities, Available-for-Sale, Realized Loss		0	(3)
Debt Securities, Available-for-Sale, Realized Gains (Losses)		6	1,382
Fixed Maturities
Fair Value at Sale
Fair value at sale	[1]	3,839	6,311
Fair value at sale	[1]	0	1,000
Debt Securities, Available-for-Sale, Realized Gain		6	2
Debt Securities, Available-for-Sale, Realized Loss		0	(3)
Equity Securities
Fair Value at Sale
Fair value at sale	[1]	0	9,998
Debt Securities, Available-for-Sale, Realized Gain		0	1,383
Short-term Investments
Fair Value at Sale
Fair value at sale	[1]	0	149
Debt Securities, Available-for-Sale, Realized Gain		$ 0	$ 0

[1] Fair value at sale includes maturities and paydowns executed at par value.