Consolidated Statements of Financial Position (Parenthetical) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Fixed Maturities, Available-for-sale, allowance for credit losses	$ 40,414	$ 2,008	$ 4,769
Fixed maturities, available-for-sale, amortized cost	36,980,933	27,538,066
Fixed maturities, trading, amortized cost	4,415,277	3,476,746
Equity securities, at cost	2,650,542	824,270
Commercial mortgage and other loans, allowance for credit losses	37,715	37,689	$ 20,263	$ 5,951
Other invested assets, at fair value	68,623	85,025
Reinsurance recoverable and deposit receivables, embedded derivatives at fair value	$ 645,193	$ 192,642
Common stock, par value (in dollars per share)	$ 10	$ 10
Common stock, shares authorized	1,000,000	1,000,000
Common stock, shares issued	250,000	250,000
Common stock, shares outstanding	250,000	250,000
ASU 2016-13
Short-term investments, allowance for credit losses	$ 49	$ 0