Separate Accounts - Schedule of Fair Value of Separate Accounts by Major Category of Investment (Details) - USD ($) $ in Thousands	Jun. 30, 2024	Dec. 31, 2023
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	$ 2,253,966	$ 2,395,842
Fixed Income Securities [Member]
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	765,636	876,524
Equity Securities [Member]
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	1,430,461	1,436,122
Cash and Cash Equivalents [Member]
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	67,359	87,530
Due To/From Funds [Member]
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	(9,510)	(4,357)
Other [Member]
Schedule of Fair Value of Separate Accounts by Major Category of Investment [Line Items]
Separate account assets	$ 20	$ 23