v3.26.1
Fair Value of Financial Instruments - Statement of Consolidated Balance Sheet Information for Structured Credit Partners (Parenthetical) (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments at amortized cost $ 8,612,475 [1],[2],[3] $ 7,892,866
SCP    
Fair Value, Assets and Liabilities Measured on Recurring and Nonrecurring Basis [Line Items]    
Investments at amortized cost 1,664,368  
Cash and cash equivalents was restricted 9,743  
Fair value of ownership interest members' equity $ 26,925  
[1] As of June 30, 2026, the estimated cost basis of investments for U.S. federal tax purposes was $8,638,659, resulting in estimated gross unrealized gains and losses of $192,501 and $244,500, respectively.
[2] The amortized cost represents the original cost adjusted for the amortization of discounts and premiums, as applicable, on debt investments using the effective interest method.
[3] Unless otherwise indicated, the Company’s portfolio companies are domiciled in the United States. Certain portfolio company investments are subject to contractual restrictions on sales.