v3.26.1
Fair Value Measurements - Summary of Quantitative Information about Significant Unobservable Inputs of Level 3 financial instruments (Details) - Level 3
$ in Thousands
Dec. 31, 2025
USD ($)
Dec. 31, 2024
USD ($)
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 5,457,503 $ 3,745,265
Investments    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value 12,417  
First Lien Debt [Member]    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value 5,423,552 3,639,022
First Lien Debt [Member] | Market Yield Analysis | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 5,296,337 $ 3,396,459
First Lien Debt [Member] | Market Yield Analysis | Maximum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 16.79 16.69
First Lien Debt [Member] | Market Yield Analysis | Minimum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 5.95 7.72
First Lien Debt [Member] | Market Yield Analysis | Weighted Average | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 9.71 10.62
First Lien Debt [Member] | Recent Transaction | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 127,215 $ 242,563
First Lien Debt [Member] | Recent Transaction | Maximum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 98.02 99.25
First Lien Debt [Member] | Recent Transaction | Minimum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 96.5 98
First Lien Debt [Member] | Recent Transaction | Weighted Average | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 96.87 98.18
Second Lien Debt [Member] | Market Yield Analysis | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 18,157 $ 42,019
Second Lien Debt [Member] | Market Yield Analysis | Maximum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 13.07 13.82
Second Lien Debt [Member] | Market Yield Analysis | Minimum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 12.07 10.45
Second Lien Debt [Member] | Market Yield Analysis | Weighted Average | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 12.57 11.95
Preferred Equity [Member] | Market Yield Analysis | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 8,162 $ 63,155
Preferred Equity [Member] | Market Yield Analysis | Maximum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 18.8 9.33
Preferred Equity [Member] | Market Yield Analysis | Minimum | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 17.8 9.33
Preferred Equity [Member] | Market Yield Analysis | Weighted Average | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 18.3 15.54
Preferred Equity [Member] | Recent Transaction | Market Yield Discount Rates    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 4,255  
Preferred Equity [Member] | Recent Transaction | Maximum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 100  
Preferred Equity [Member] | Recent Transaction | Minimum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 32.08  
Preferred Equity [Member] | Recent Transaction | Weighted Average | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 87.58  
Preferred Equity [Member] | Black-Scholes | Maximum | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   34.2
Preferred Equity [Member] | Black-Scholes | Minimum | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   34.2
Preferred Equity [Member] | Black-Scholes | Weighted Average | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   34.2
Subordinated Debt [Member] | Recent Transaction | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 1,481 $ 990
Subordinated Debt [Member] | Recent Transaction | Maximum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 13.78 99
Subordinated Debt [Member] | Recent Transaction | Minimum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 11.66 99
Subordinated Debt [Member] | Recent Transaction | Weighted Average | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 12.42 99
Warrant [Member] | Recent Transaction | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value $ 1,896  
Warrant [Member] | Recent Transaction | Maximum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 514.28  
Warrant [Member] | Recent Transaction | Minimum | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 514.28  
Warrant [Member] | Recent Transaction | Weighted Average | Transaction Price    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range 514.28  
Warrant [Member] | Black-Scholes | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Fair value   $ 79
Warrant [Member] | Black-Scholes | Maximum | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   29.13
Warrant [Member] | Black-Scholes | Minimum | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   29.13
Warrant [Member] | Black-Scholes | Weighted Average | Volatility    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Range   29.13