Investments - Variable Interest Entities (Details) - Other Invested Assets [Member] - VIE, Not Primary Beneficiary [Member] - USD ($) $ in Thousands	Sep. 30, 2025	Dec. 31, 2024
Investments [Abstract]
Carrying amount of interest	$ 6,225	$ 6,616
Investment in unconsolidated trusts	1,238	1,238
Maximum loss exposure	7,463	7,854
Outstanding commitments	$ 2,200	$ 2,200