v3.26.1
Fair Value Measurements - Schedule of Unobservable Inputs (Details)
$ in Thousands
Jun. 30, 2026
USD ($)
$ / shares
Dec. 31, 2025
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 2,271,008 $ 2,177,821
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Amount excluded from measurement input 207,426 360,653
Investments in first lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 1,772,488 1,795,053
Investments in first lien debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 1,517,444 1,481,458
Investments in first lien debt | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,332,471 $ 1,183,807
Investments in first lien debt | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0609 0.0606
Investments in first lien debt | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2582 0.2610
Investments in first lien debt | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1126 0.1089
Investments in first lien debt | Discounted cash flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 11,738 $ 11,819
Investments in first lien debt | Discounted cash flow | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0539 0.0566
Investments in first lien debt | Discounted cash flow | Low | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 6.45 6.43
Investments in first lien debt | Discounted cash flow | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2000 0.2000
Investments in first lien debt | Discounted cash flow | High | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 8.75 8.75
Investments in first lien debt | Discounted cash flow | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1201 0.1182
Investments in first lien debt | Discounted cash flow | Weighted Average | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 7.4 7.34
Investments in first lien debt | Recovery analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 11,857  
Investments in first lien debt | Recovery analysis | Low | Recovery rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.8682  
Investments in first lien debt | Recovery analysis | High | Recovery rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.9923  
Investments in first lien debt | Recovery analysis | Weighted Average | Recovery rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.8930  
Investments in second lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 10,045 $ 7,906
Investments in second lien debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 10,045 7,906
Investments in second lien debt | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 10,046 $ 4,961
Investments in second lien debt | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1366 0.1525
Investments in second lien debt | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1648 0.1624
Investments in second lien debt | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1469 0.1558
Investments in other secured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 79,396 $ 64,380
Investments in other secured debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 79,396 64,380
Investments in other secured debt | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 66,698 $ 31,310
Investments in other secured debt | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1036 0.1063
Investments in other secured debt | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1485 0.1591
Investments in other secured debt | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1087 0.1171
Investments in unsecured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 56,158 $ 48,111
Investments in unsecured debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 27,552 48,111
Investments in unsecured debt | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 21,302 $ 48,111
Investments in unsecured debt | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1304 0.1278
Investments in unsecured debt | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1304 0.1304
Investments in unsecured debt | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1304 0.1289
Investments in structured finance investments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 39,466 $ 17,206
Investments in structured finance investments | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 39,466 17,206
Investments in structured finance investments | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 12,631 $ 8,626
Investments in structured finance investments | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0635 0.0623
Investments in structured finance investments | Yield analysis | Low | Net Asset Value | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) | $ / shares 1.3819  
Investments in structured finance investments | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1242 0.1224
Investments in structured finance investments | Yield analysis | High | Net Asset Value | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) | $ / shares 1.3819  
Investments in structured finance investments | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1074 0.1035
Investments in structured finance investments | Yield analysis | Weighted Average | Net Asset Value | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) | $ / shares 1.3819  
Investments in structured finance investments | Estimated Net Asset Value | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 5,528  
Investments in preferred equity    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 262,887 $ 196,010
Investments in preferred equity | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 262,887 196,010
Investments in preferred equity | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 258,169 $ 164,724
Investments in preferred equity | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0657 0.0680
Investments in preferred equity | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2043 0.2423
Investments in preferred equity | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1303 0.1107
Investments in preferred equity | Discounted cash flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 187 $ 1,980
Investments in preferred equity | Discounted cash flow | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2000 0.2000
Investments in preferred equity | Discounted cash flow | Low | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 8.75 8.75
Investments in preferred equity | Discounted cash flow | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2000 0.2000
Investments in preferred equity | Discounted cash flow | High | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 8.75 8.75
Investments in preferred equity | Discounted cash flow | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.2000 0.2000
Investments in preferred equity | Discounted cash flow | Weighted Average | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 8.75 8.75
Investments in other equity | Yield analysis | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 34,055 $ 32,580
Investments in other equity | Yield analysis | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0800 0.0800
Investments in other equity | Yield analysis | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1000 0.1000
Investments in other equity | Yield analysis | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0934 0.0933
Investments in other equity | Discounted cash flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 15,226 $ 15,634
Investments in other equity | Discounted cash flow | Low | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0733 0.0731
Investments in other equity | Discounted cash flow | Low | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 5.82 5.55
Investments in other equity | Discounted cash flow | High | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.1050 0.0731
Investments in other equity | Discounted cash flow | High | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 6.62 5.55
Investments in other equity | Discounted cash flow | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 0.0733 0.0731
Investments in other equity | Discounted cash flow | Weighted Average | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input (as percent) 5.82 5.55
Non-advisor developed | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 1,987,334 $ 1,864,205