Investments - Narrative (Details) $ in Millions	Jun. 30, 2025 USD ($) security	Dec. 31, 2024 USD ($) security
Debt Securities, Available-for-Sale [Line Items]
Number of securities	110	431
Number of positions	1,454	1,713
Debt securities, available-for-sale, continuous unrealized loss position, largest single amount | $	$ 0.2	$ 0.5
Percentage of hold back to redemption	10.00%
Percentage of total net asset value of multi asset credit fund	15.00%
Maximum
Debt Securities, Available-for-Sale [Line Items]
Percentage of total net asset value of hedge fund	91.00%
Minimum
Debt Securities, Available-for-Sale [Line Items]
Percentage of total net asset value of hedge fund	9.00%