v3.26.1
Fair Value of Financial Instruments - Summary of Geographic Composition of SCP's Portfolio at Fair Value (Details) - USD ($)
$ in Thousands
Jun. 30, 2026
Dec. 31, 2025
 [5]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 3,316,393 [1],[2],[3] $ 3,323,282 [4],[6]
Fair Value $ 3,302,132 [3],[7] $ 3,347,317 [8]
Percentage of net assets percentage 213.20% [3] 208.20%
Structured Credit Partners JV, LLC    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 1,664,368  
Fair Value $ 1,659,630  
Percentage of net assets percentage 100.00%  
Structured Credit Partners JV, LLC | Australia    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 1,980  
Fair Value $ 2,009  
Percentage of net assets percentage 0.10%  
Structured Credit Partners JV, LLC | Canada    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 16,308  
Fair Value $ 16,208  
Percentage of net assets percentage 1.00%  
Structured Credit Partners JV, LLC | Germany    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 15,482  
Fair Value $ 15,573  
Percentage of net assets percentage 0.90%  
Structured Credit Partners JV, LLC | Ireland    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 879  
Fair Value $ 877  
Percentage of net assets percentage 0.10%  
Structured Credit Partners JV, LLC | Luxembourg    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 19,504  
Fair Value $ 19,393  
Percentage of net assets percentage 1.20%  
Structured Credit Partners JV, LLC | Netherlands    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 22,163  
Fair Value $ 22,267  
Percentage of net assets percentage 1.30%  
Structured Credit Partners JV, LLC | Switzerland    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost [9] $ 631  
Fair Value [9] $ 658  
Percentage of net assets percentage [9] 0.00%  
Structured Credit Partners JV, LLC | United Kingdom    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 21,391  
Fair Value $ 21,160  
Percentage of net assets percentage 1.30%  
Structured Credit Partners JV, LLC | United States    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 1,566,030  
Fair Value $ 1,561,485  
Percentage of net assets percentage 94.10%  
[1] As of June 30, 2026, the estimated cost basis of investments for U.S. federal tax purposes was $3,325,137 resulting in estimated gross unrealized gains and losses of $187,182 and $226,981, 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.
[4] As of December 31, 2025, the estimated cost basis of investments for U.S. federal tax purposes was $3,332,367 resulting in estimated gross unrealized gains and losses of $219,540 and $231,975, respectively.
[5] Certain portfolio company investments are subject to contractual restrictions on sales.
[6] 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.
[7] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
[8] In accordance with Financial Accounting Standards Board Accounting Standards Codification Topic 820, Fair Value Measurements (“ASC Topic 820”), unless otherwise indicated, the fair values of all investments were determined using significant unobservable inputs and are considered Level 3 investments. See Note 6 for further information related to investments at fair value.
[9] Value sums to less than 0.1%.