v3.26.1
Fair Value of Financial Instruments - Summary of Geographic Composition of SCP's Portfolio at Fair Value (Details) - USD ($)
$ in Thousands
Mar. 31, 2026
Dec. 31, 2025
 [5]
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 3,324,332 [1],[2],[3] $ 3,323,282 [4],[6]
Fair Value $ 3,313,441 [3],[7] $ 3,347,317 [8]
Percentage of net assets percentage 214.80% [3] 208.20%
Structured Credit Partners JV, LLC    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 1,033,006  
Fair Value $ 1,028,239  
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 $ 1,855  
Fair Value $ 1,849  
Percentage of net assets percentage 0.20%  
Structured Credit Partners JV, LLC | Bermuda    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 1,359  
Fair Value $ 1,386  
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 $ 11,106  
Fair Value $ 11,021  
Percentage of net assets percentage 1.10%  
Structured Credit Partners JV, LLC | Denmark    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 589  
Fair Value $ 587  
Percentage of net assets percentage 0.10%  
Structured Credit Partners JV, LLC | Germany    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 15,050  
Fair Value $ 15,048  
Percentage of net assets percentage 1.40%  
Structured Credit Partners JV, LLC | Hong Kong    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 3,210  
Fair Value $ 3,174  
Percentage of net assets percentage 0.30%  
Structured Credit Partners JV, LLC | Luxembourg    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 19,525  
Fair Value $ 19,446  
Percentage of net assets percentage 1.90%  
Structured Credit Partners JV, LLC | Netherlands    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 13,418  
Fair Value $ 13,314  
Percentage of net assets percentage 1.30%  
Structured Credit Partners JV, LLC | United Kingdom    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 15,189  
Fair Value $ 15,126  
Percentage of net assets percentage 1.50%  
Structured Credit Partners JV, LLC | United States    
Fair Value, Balance Sheet Grouping, Financial Statement Captions [Line Items]    
Amortized Cost $ 951,705  
Fair Value $ 947,288  
Percentage of net assets percentage 92.10%  
[1] As of March 31, 2026, the estimated cost basis of investments for U.S. federal tax purposes was $3,334,261 resulting in estimated gross unrealized gains and losses of $243,959 and $283,761, 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.