Fair Value of Financial Instruments - Schedule of Contributed Capital and Unfunded Commitments (Details) $ in Thousands |
Jun. 30, 2026
USD ($)
|
|---|---|
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contributed capital | $ 154,190 |
| Unfunded commitments | 445,814 |
| Sixth Street Lending Partners | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contributed capital | 25,704 |
| Unfunded commitments | 74,297 |
| Sixth Street Specialty Lending, Inc. | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contributed capital | 51,391 |
| Unfunded commitments | 148,610 |
| Carlyle | |
| Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items] | |
| Contributed capital | 77,095 |
| Unfunded commitments | $ 222,907 |