Other Expenses - Additional Information (Detail) - USD ($) |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2025 |
Dec. 31, 2024 |
Dec. 31, 2023 |
|
| Related Party Transaction [Line Items] | |||
| Management base fee percentage | 1.50% | ||
| Management incentive fee percentage | 20.00% | ||
| Management core earnings fee percentage | 7.00% | ||
| Management core earnings fee measurement period (in years) | 3 years | ||
| Management core earnings fee minimum threshold | 0.00% | ||
| Management fees | $ 67,600,000 | $ 74,800,000 | $ 74,800,000 |
| Accrued management and incentive fees payable | 16,400,000 | 18,500,000 | |
| Related Party | |||
| Related Party Transaction [Line Items] | |||
| Total incentive compensation payments | $ 0 | $ 0 | $ 44,200,000 |
| X | ||||||||||
- Definition Accrued management and incentive fees payable. No definition available.
|
| X | ||||||||||
- Definition Management Fee, Core Earnings Fee, Percentage No definition available.
|
| X | ||||||||||
- Definition Management Fee, Core Earnings, Measurement Period No definition available.
|
| X | ||||||||||
- Definition Management Fee, Core Earnings, Minimum Threshold No definition available.
|
| X | ||||||||||
- Definition Amount of expense for incentive fee based on performance under arrangement to manage operations, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Rate based on performance for management and service fees under arrangement to manage operations, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2009/role/commonPracticeRef
|
| X | ||||||||||
- Definition Rate for management and service fees under arrangement to manage operations, including, but not limited to, investment. Reference 1: http://www.xbrl.org/2003/role/disclosureRef
|
| X | ||||||||||
- Definition Amount of expense for investment management fee, including, but not limited to, expense in connection with research, selection, supervision, and custody of investment. Reference 1: http://www.xbrl.org/2003/role/exampleRef
|
| 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
|