Other Assets and Liabilities - Schedule of Other Assets (Details) - USD ($) $ in Thousands	Dec. 31, 2024	Dec. 31, 2023
Other Assets and Liabilities [Abstract]
Loaned securities	$ 139,121	$ 203,693
Company-owned life insurance	110,968	106,417
Prepaid reinsurance premiums	72,472	100,443
Other	53,370	49,252
Total other assets	$ 375,931	$ 459,805