Summary of Significant Accounting Policies (Details) $ in Millions |
12 Months Ended | ||
|---|---|---|---|
|
Dec. 31, 2025
USD ($)
segment
|
Dec. 31, 2024
USD ($)
|
Dec. 31, 2023
USD ($)
|
|
| Summary Of Significant Accounting Policies [Line Items] | |||
| Number of operating segments | segment | 1 | ||
| Fees paid to unaffiliated advisers | $ | $ 44.3 | $ 45.4 | $ 54.7 |
| Computer Equipment and Software | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Estimated useful lives of furniture and equipment | 3 years | ||
| Minimum | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Weighted average of useful life | 6 years | ||
| Minimum | Furniture and Office Equipment | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Estimated useful lives of furniture and equipment | 3 years | ||
| Maximum | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Weighted average of useful life | 16 years | ||
| Maximum | Furniture and Office Equipment | |||
| Summary Of Significant Accounting Policies [Line Items] | |||
| Estimated useful lives of furniture and equipment | 7 years | ||