other_investments_fair_value_disclosure| Segment | Q1 '24 | Q2 '24 | Q3 '24 | Q4 '24 | Q1 '25 | Q2 '25 | Q3 '25 | Q4 '25 |
|---|---|---|---|---|---|---|---|---|
| Retirement Services | $1.55B | $1.55B | $1.62B | $1.91B | $1.18B | $1.29B | $1.30B | $1.31B |
| Asset Management | $2.27B | $1.70B | $2.34B | — | $1.86B | $2.23B | $4.18B | — |
| Total | — | — | — | — | — | — | — | — |