Commitments, Contingencies and Guarantees - Unfunded Commitments (Details) - USD ($) $ in Thousands |
Mar. 31, 2022 |
Dec. 31, 2021 |
|---|---|---|
| Gain Contingencies [Line Items] | ||
| Fair Value | $ 67,278 | $ 68,262 |
| % of Total | 100.00% | 100.00% |
| Private credit funds | ||
| Gain Contingencies [Line Items] | ||
| Fair Value | $ 3,771 | $ 4,897 |
| % of Total | 5.60% | 7.20% |
| Investments in direct lending entities (at cost) | ||
| Gain Contingencies [Line Items] | ||
| Fair Value | $ 9,912 | $ 13,216 |
| % of Total | 14.70% | 19.40% |
| Other privately held investments | ||
| Gain Contingencies [Line Items] | ||
| Fair Value | $ 1,900 | $ 4,000 |
| % of Total | 2.80% | 5.80% |
| Private equity funds | ||
| Gain Contingencies [Line Items] | ||
| Fair Value | $ 51,695 | $ 46,149 |
| % of Total | 76.90% | 67.60% |