v3.26.3
Expenses and Transactions with Affiliates - Schedule of Company affiliated investments (Details)
 9 Months Ended
Sep. 30, 2026
USD ($)
Investments in and Advances to Affiliates, Activity [Line Items]  
Fair Value, Beginning Balance $ 1,639,681,521 [1],[2]
Fair Value, Ending Balance 1,686,773,800 [3],[4]
Non-controlled / affiliate investments  
Investments in and Advances to Affiliates, Activity [Line Items]  
Fair Value, Beginning Balance 0
Gross Additions 32,490,647
Gross Reduction 0
Net Change in Unrealized Appreciation (Depreciation) 1,102,885
Net Realized Gains (Losses) 0
Fair Value, Ending Balance 33,593,532 [3],[4]
Dividend and Interest Income 166,170
Non-controlled / affiliate investments | STG Parent Topco, LLC [Member]  
Investments in and Advances to Affiliates, Activity [Line Items]  
Fair Value, Beginning Balance 0
Gross Additions 25,985,516
Gross Reduction 0
Net Change in Unrealized Appreciation (Depreciation) 782,353
Net Realized Gains (Losses) 0
Fair Value, Ending Balance 26,767,869
Dividend and Interest Income 0
Non-controlled / affiliate investments | STG Topco LLC [Member]  
Investments in and Advances to Affiliates, Activity [Line Items]  
Fair Value, Beginning Balance 0
Gross Additions 6,505,131
Gross Reduction 0
Net Change in Unrealized Appreciation (Depreciation) 320,532
Net Realized Gains (Losses) 0
Fair Value, Ending Balance 6,825,663
Dividend and Interest Income $ 166,170
[1] All debt investments are income producing unless otherwise indicated. All equity investments are non-income producing unless otherwise noted.
[2] Unless otherwise indicated, investments were valued using unobservable inputs and are considered Level 3 investments.
[3] All debt investments are income producing unless otherwise indicated. All equity investments are non-income producing unless otherwise noted.
[4] Unless otherwise indicated, investments were valued using unobservable inputs and are considered Level 3 investments.