Investments - Net Gains (Losses) on Investments (Details) - USD ($) $ in Thousands		3 Months Ended
		Mar. 31, 2025	Mar. 31, 2024
Fixed-maturities available for sale
Net realized gains (losses) on investments sold or redeemed	[1]	$ (1,434)	$ (3,682)
Change in unrealized gains (losses) on residential mortgage loans sold	[1]	(916)	7
Net unrealized gains (losses) on investments still held
Net unrealized gains (losses) on investments still held	[1]	642	2,004
Total net gains (losses) on investments	[1]	(1,708)	(1,671)
Net gains (losses) on residential mortgage loans held for sale	[2]	1,287	384
Net gains (losses) on other financial instruments	[1],[3]	(302)	1,777
Net gains (losses) on investments and other financial instruments		(723)	490
Fixed-maturities available for sale
Fixed-maturities available for sale
Gross realized gains	[1]	92	52
Gross realized losses	[1]	(2,442)	(3,735)
Fixed-maturities available for sale, net	[1]	(2,350)	(3,683)
Fixed maturities trading securities
Net unrealized gains (losses) on investments still held
Trading securities	[1]	2,244	(1,977)
Equity securities
Fixed-maturities available for sale
Equity securities	[1]	898	0
Net unrealized gains (losses) on investments still held
Equity securities	[1]	(1,555)	4,074
Other investments
Fixed-maturities available for sale
Other investments	[1]	18	1
Net unrealized gains (losses) on investments still held
Other investments	[1]	$ (47)	$ (93)

[1] Does not include activities related to our residential mortgage loans held for sale. See Note 7 for additional information.

[2] Includes realized and unrealized net gains (losses) on residential mortgage loans held for sale and related activities, including interest rate hedges. See Note 7 for additional details.

[3] Includes changes in the fair value of embedded derivatives associated with our XOL Program. See Note 8 for additional information.