v3.26.1
Investment in Saratoga CLO - Schedule of Valuation Techniques and Significant Unobservable Inputs Used in Recurring Level 3 Fair Value Measurements of Assets (Details) - Fair Value, Inputs, Level 3 [Member] - USD ($)
$ in Thousands
Feb. 28, 2026
Feb. 28, 2025
Feb. 29, 2024
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value $ 1,061,187 $ 974,997 $ 1,129,390
Investment in Saratoga CLO [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 26,666,804 40,150,378  
Term loans [Member] | Investment in Saratoga CLO [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 25,835,252 39,203,487  
Equity interests [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 82,937 69,437 $ 88,426
Equity interests [Member] | Investment in Saratoga CLO [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value 831,552 946,891  
Valuation, Market Approach [Member] | Term loans [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value $ 25,835,252 $ 39,203,487  
Valuation Technique Market Approach Market Approach  
Unobservable Inputs Third-Party Bid Third-Party Bid  
Range (Weighted Average) [1] 100.13% 101.4%  
Valuation, Market Approach [Member] | Equity interests [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Fair Value $ 831,552 $ 946,891  
Valuation Technique Market Approach Market Approach  
Unobservable Inputs Third-Party Bid Third-Party Bid  
Range (Weighted Average) [1] 100% 100.0  
Valuation, Market Approach [Member] | Minimum [Member] | Term loans [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Range (Weighted Average) [1] 9.50% 2.5%  
Valuation, Market Approach [Member] | Minimum [Member] | Equity interests [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Range (Weighted Average) [1] 0.3% 0.4%  
Valuation, Market Approach [Member] | Maximum [Member] | Term loans [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Range (Weighted Average) [1] (93.60%) (97.89%)  
Valuation, Market Approach [Member] | Maximum [Member] | Equity interests [Member] | Measurement Input, Third-Party Bid [Member]      
Fair Value Measurement Inputs and Valuation Techniques [Line Items]      
Range (Weighted Average) [1] (62.83%) (13.7%)  
[1] Weighted average represents the arithmetic average of the inputs and is not weighted by the relative fair value or notional amount.