Investments - Additional Information (Details) - USD ($) $ in Thousands |
3 Months Ended | |||
|---|---|---|---|---|
Sep. 30, 2026 |
Dec. 31, 2025 |
Sep. 30, 2025 |
Dec. 31, 2024 |
|
| Summary of Investment Holdings [Line Items] | ||||
| Long-term incentive compensation-related | $ 40,400 | $ 54,100 | ||
| Investment owned | 705,449 | 531,013 | ||
| Other commitment | $ 100,000 | $ 100,000 | ||
| Payments to fund commitment | 99,900 | |||
| Other commitment, funded capital | $ 100,000 | |||
| RGA sidecar | ||||
| Summary of Investment Holdings [Line Items] | ||||
| Equity method investment, percentage | 20.90% | |||
| Seed capital | ||||
| Summary of Investment Holdings [Line Items] | ||||
| Investment owned | $ 339,300 | $ 372,100 |
| X | ||||||||||
- Definition Other Commitment, Funded Capital No definition available.
|
| X | ||||||||||
- Definition Payments to Fund Commitment No definition available.
|
| X | ||||||||||
- Definition The percentage of ownership of common stock or equity participation in the investee accounted for under the equity method of accounting. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition The aggregate fair value as of the balance sheet date of financial instruments and other positions owned by the entity including: (1) mortgages, mortgage-backed and asset backed securities; (2) US government and agency obligations; (3) state and municipal government obligations; (4) other sovereign government debt; (5) corporate obligations; (6) corporate equities; (7) principal investments; (8) derivative contracts; and (9) physical commodities. Includes both pledged and unpledged holdings. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Fair value of investment in security owned. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Minimum amount of other commitment not otherwise specified in the taxonomy. Excludes commitments explicitly modeled in the taxonomy, including but not limited to, long-term and short-term purchase commitments, recorded and unrecorded purchase obligations, supply commitments, registration payment arrangements, leases, debt, product warranties, guarantees, environmental remediation obligations, and pensions. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Details
|
| X | ||||||||||
- Details
|