v3.26.3
Joint Ventures - Senior Loan Fund Partners, LLC (Details)
$ in Thousands
 3 Months Ended
Sep. 17, 2026
USD ($)
loan
tranche
Sep. 30, 2026
USD ($)
Dec. 31, 2025
USD ($)
Schedule of Equity Method Investments [Line Items]      
Amortized Cost   $ 1,638,824 [1] $ 1,942,096 [2]
Investments, at fair value:   1,501,652 [3] $ 1,812,990 [4]
Senior Loan Fund Partners, LLC | SLFP Investors      
Schedule of Equity Method Investments [Line Items]      
Limited liability company or limited partnership, members or limited partners, ownership interest 20.00%    
Senior Notes      
Schedule of Equity Method Investments [Line Items]      
Debt instrument, aggregate principal amount $ 180,300    
Number of loans | loan 20    
Debt Instrument, Fair Value Disclosure $ 180,000    
Redemption price, (as a percent) 99.80%    
Senior Loan Fund Partners, LLC      
Schedule of Equity Method Investments [Line Items]      
Investment holdings, number of investment tranches | tranche 2    
Debt Instrument, Fair Value Disclosure   179,754  
Investment company, true-up, payable   246  
Amortized Cost   181,696  
Investments, at fair value:   181,677  
Senior Loan Fund Partners, LLC | Senior Loan Fund Partners, LLC      
Schedule of Equity Method Investments [Line Items]      
Amortized Cost   49,180  
Investments, at fair value:   47,523  
Transaction cost   $ 1,430  
Senior Loan Fund Partners, LLC | Senior Loan Fund Partners, LLC      
Schedule of Equity Method Investments [Line Items]      
Limited liability company (LLC) or limited partnership (LP), managing member or general partner, ownership interest 80.00%    
Limited liability company or limited partnership, members or limited partners, preferred stock, dividend rate, (as a percent) 11.50%    
Preferred stock Paid in kind (as a percent) 13.50%    
Dividend payable, duration after quarter-end 45 days    
Senior Loan Fund Partners, LLC | Senior Loan Fund Partners Notes | Senior Notes      
Schedule of Equity Method Investments [Line Items]      
Debt instrument, aggregate principal amount $ 125,000    
Investments contributed (as a percent) 98.25%    
Rate 4.75%    
Debt instrument, basis spread on variable rate, floor 1.00%    
Debt instrument, term 7 years    
Investment period 2 years    
Debt instrument percentage of excess cash flow required to be applied to principal 100.00%    
CION Investment Management, LLC | Senior Loan Fund Partners, LLC      
Schedule of Equity Method Investments [Line Items]      
Limited liability company LLC members' equity $ 59,688    
[1] Represents amortized cost for debt securities and cost for equity investments.
[2] Represents amortized cost for debt securities and cost for equity investments.
[3] Fair value determined in good faith by CION Investment Management, LLC, or CIM, as the Company’s valuation designee, subject to oversight of the Company's board of directors (see Note 9 and Note 2), using significant unobservable inputs unless otherwise noted.
[4] Fair value determined in good faith by CIM, as the Company's valuation designee, subject to the oversight of the Company's board of directors (see Note 9 and Note 2), using significant unobservable inputs unless otherwise noted.