Quarterly report pursuant to Section 13 or 15(d)

Fair Value Measurements - Unobservable Inputs (Details)

v3.24.2.u1
Fair Value Measurements - Unobservable Inputs (Details)
$ in Thousands
Jun. 30, 2024
USD ($)
Dec. 31, 2023
USD ($)
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 11,122,205 $ 9,289,410
Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,705,173 8,028,268
Amount excluded from measurement input 2,802,489 1,559,804
Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 49,353 $ 21,039
Valuation, Market Approach | Minimum | Recovery Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.5880 0.7321
Valuation, Market Approach | Maximum | Recovery Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.8439 0.7321
Valuation, Market Approach | Weighted Average | Recovery Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.7806 0.7321
Total Investments    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 10,883,566 $ 9,165,407
Total Investments | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,705,173 8,028,268
First lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 10,648,513 9,002,695
First lien debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 9,543,295 7,956,235
First lien debt | Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 6,705,820 $ 6,422,647
First lien debt | Valuation, Market Approach | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0788 0.0809
First lien debt | Valuation, Market Approach | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.2709 0.3564
First lien debt | Valuation, Market Approach | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1175 0.1203
Second lien debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 22,932 $ 67,087
Second lien debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 19,071 19,441
Second lien debt | Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 19,070 $ 19,441
Second lien debt | Valuation, Market Approach | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1294 0.1296
Second lien debt | Valuation, Market Approach | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1913 0.1724
Second lien debt | Valuation, Market Approach | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1564 0.1539
Other secured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 64,304  
Other secured debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 64,304  
Other secured debt | Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 64,304  
Other secured debt | Valuation, Market Approach | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1231  
Other secured debt | Valuation, Market Approach | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1231  
Other secured debt | Valuation, Market Approach | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1231  
Unsecured debt    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 43,680 $ 29,101
Unsecured debt | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value 30,568 15,936
Unsecured debt | Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 17,173 $ 1,295
Unsecured debt | Valuation, Market Approach | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1440 0.1600
Unsecured debt | Valuation, Market Approach | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1514 0.1600
Unsecured debt | Valuation, Market Approach | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1497 0.1600
Preferred equity | Valuation, Market Approach | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 33,964 $ 1,510
Preferred equity | Valuation, Market Approach | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1161 0.1450
Preferred equity | Valuation, Market Approach | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1500 0.1631
Preferred equity | Valuation, Market Approach | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1464 0.1494
Common equity | Valuation Technique, Discounted Cash Flow | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 13,000 $ 2,532
Common equity | Valuation Technique, Discounted Cash Flow | Minimum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0900 0.0900
Common equity | Valuation Technique, Discounted Cash Flow | Minimum | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.00 10.00
Common equity | Valuation Technique, Discounted Cash Flow | Minimum | Terminal growth rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0250 0.0300
Common equity | Valuation Technique, Discounted Cash Flow | Minimum | Cap Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0900  
Common equity | Valuation Technique, Discounted Cash Flow | Maximum | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1500 0.1500
Common equity | Valuation Technique, Discounted Cash Flow | Maximum | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.00 10.00
Common equity | Valuation Technique, Discounted Cash Flow | Maximum | Terminal growth rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0250 0.0300
Common equity | Valuation Technique, Discounted Cash Flow | Maximum | Cap Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0900  
Common equity | Valuation Technique, Discounted Cash Flow | Weighted Average | Discount rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.1202 0.0947
Common equity | Valuation Technique, Discounted Cash Flow | Weighted Average | Exit multiple | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 10.00 10.00
Common equity | Valuation Technique, Discounted Cash Flow | Weighted Average | Terminal growth rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0250 0.0300
Common equity | Valuation Technique, Discounted Cash Flow | Weighted Average | Cap Rate | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Measurement input 0.0900  
Non-advisor developed | Level 3    
Fair Value Measurement Inputs and Valuation Techniques [Line Items]    
Fair Value $ 9,705,173