v3.26.1
Investments - Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets (Details) - Level 3 [Member]
$ in Thousands
May 31, 2026
USD ($)
Feb. 28, 2026
USD ($)
May 31, 2025
USD ($)
Feb. 28, 2025
USD ($)
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 1,063,652 $ 1,061,187 $ 952,108 $ 974,997
First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value 920,576 910,991 841,577 867,866
Second lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value 42,725 42,707 6,600 6,388
Unsecured term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value 15,667 16,130 16,635 16,534
Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value 8,302 8,422 14,264 14,772
Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value 76,382 82,937 $ 73,032 $ 69,437
Market Comparables [Member] | Market Yield [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 920,576 $ 910,991    
Valuation Technique Market Comparables Market Comparables    
Unobservable Input Market Yield (%) Market Yield (%)    
Market Comparables [Member] | Market Yield [Member] | Second lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 42,725 $ 42,707    
Valuation Technique Market Comparables Market Comparables    
Unobservable Input Market Yield (%) Market Yield (%)    
Market Comparables [Member] | Market Yield [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 76,382 $ 82,937    
Valuation Technique Market Comparables Market Comparables    
Unobservable Input Market Yield (%) Market Yield (%)    
Range 15.5 13.5    
Market Comparables [Member] | Revenue Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input Revenue Multiples (x)      
Market Comparables [Member] | EBITDA Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input EBITDA Multiples (x) EBITDA Multiples (x)    
Range 6.5 12.1    
Market Comparables [Member] | Third-party Bid [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input Third-party Bid (x)      
Range 11.6      
Market Comparables [Member] | Minimum [Member] | Market Yield [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 8.1 8.3    
Market Comparables [Member] | Minimum [Member] | Market Yield [Member] | Second lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 11.1 11.1    
Market Comparables [Member] | Minimum [Member] | Revenue Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 0      
Market Comparables [Member] | Maximum [Member] | Market Yield [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 41.3 30.9    
Market Comparables [Member] | Maximum [Member] | Market Yield [Member] | Second lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 19.5 16.9    
Market Comparables [Member] | Maximum [Member] | Revenue Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 2.2      
Market Comparables [Member] | Weighted Average [Member] | Market Yield [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 11.5% [1] 11.1% [2]    
Market Comparables [Member] | Weighted Average [Member] | Market Yield [Member] | Second lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 12.7% [1] 12.2% [2]    
Market Comparables [Member] | Weighted Average [Member] | Market Yield [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 0.1% [1] 0.1% [2]    
Market Comparables [Member] | Weighted Average [Member] | Revenue Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average [1] 2.2      
Market Comparables [Member] | Weighted Average [Member] | EBITDA Multiples [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 6.5 [1] 12.1 [2]    
Market Comparables [Member] | Weighted Average [Member] | Third-party Bid [Member] | First lien term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average [1] 11.6      
Discounted Cash Flow [Member] | Discount Rate [Member] | Unsecured term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 15,667 $ 16,130    
Valuation Technique Discounted Cash Flow Discounted Cash Flow    
Unobservable Input Discount Rate (%) Discount Rate (%)    
Range 10.5 10    
Discounted Cash Flow [Member] | Discount Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Fair Value $ 8,302 $ 8,422    
Valuation Technique Discounted Cash Flow Discounted Cash Flow    
Unobservable Input Discount Rate (%) Discount Rate (%)    
Discounted Cash Flow [Member] | Recovery Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input Recovery Rate (%) Recovery Rate (%)    
Range 70 70    
Discounted Cash Flow [Member] | Prepayment Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input Prepayment Rate (%) Prepayment Rate (%)    
Range 20 20    
Discounted Cash Flow [Member] | Minimum [Member] | Discount Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 9 8.5    
Discounted Cash Flow [Member] | Maximum [Member] | Discount Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 70 70    
Discounted Cash Flow [Member] | Weighted Average [Member] | Discount Rate [Member] | Unsecured term loans [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 10.5% [1] 10.0% [2]    
Discounted Cash Flow [Member] | Weighted Average [Member] | Discount Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 11.1% [1] 10.9% [2]    
Discounted Cash Flow [Member] | Weighted Average [Member] | Recovery Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 70.0% [1] 70.0% [2]    
Discounted Cash Flow [Member] | Weighted Average [Member] | Prepayment Rate [Member] | Structured finance securities [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 20.0% [1] 20.0% [2]    
Enterprise Value Waterfall [Member] | Revenue Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Valuation Technique Enterprise Value Waterfall Enterprise Value Waterfall    
Unobservable Input Revenue Multiples (x) Revenue Multiples (x)    
Enterprise Value Waterfall [Member] | Minimum [Member] | Revenue Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 0 0.1    
Enterprise Value Waterfall [Member] | Maximum [Member] | Revenue Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 8.2 8.2    
Enterprise Value Waterfall [Member] | Weighted Average [Member] | Revenue Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 6.0 [1] 6.0 [2]    
Black-Scholes Modeling [Member] | EBITDA Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Unobservable Input EBITDA Multiples (x) EBITDA Multiples (x)    
Black-Scholes Modeling [Member] | Volatility [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Valuation Technique Black-Scholes Modeling (x) Black-Scholes Modeling    
Unobservable Input Volatility (%) Volatility (%)    
Range 40.2 38.7    
Black-Scholes Modeling [Member] | Minimum [Member] | EBITDA Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 4.8 0.5    
Black-Scholes Modeling [Member] | Maximum [Member] | EBITDA Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Range 20 20    
Black-Scholes Modeling [Member] | Weighted Average [Member] | EBITDA Multiples [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 9.7 [1] 9.4 [2]    
Black-Scholes Modeling [Member] | Weighted Average [Member] | Volatility [Member] | Equity interests [Member]        
Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets [Line Items]        
Weighted Average 40.2% [1] 38.7% [2]    
[1] The weighted average in the table above is calculated based on each investment’s fair value weighting, using the applicable unobservable input.
[2] The weighted average in the table above is calculated based on each investment’s fair value weighting, using the applicable unobservable input.