XML 52 R41.htm IDEA: XBRL DOCUMENT v3.26.1
Fair Value (Details) - USD ($)
 3 Months Ended 12 Months Ended
Mar. 31, 2026
Dec. 31, 2025
Fair Value [Line Items]    
Unamortized deferred debt, percentage 5.50%  
Total deferred debt issuance costs $ 2,600,000  
Equity cost value 3,900,000  
Investment held in subordinated and income notes 24,100,000  
Amortization of cost $ 38,000  
Fair Value, Asset, Recurring Basis, Still Held, Unrealized Gain (Loss), Statement of Income or Comprehensive Income [Extensible Enumeration] Total net change in unrealized appreciation/(depreciation) on investments  
OXSQZ [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 7.75%  
OXSQG [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 5.50%  
OXSQH [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 7.75%  
Six Point Two Five Percentage Unsecured Notes [Member]    
Fair Value [Line Items]    
Total deferred debt issuance costs $ 900,000  
Unsecured Notes [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 7.75% 5.50%
Five Point Five Zero Percentage Unsecured Notes [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage   7.75%
Total deferred debt issuance costs $ 2,500,000 $ 1,000,000
Seven Point Seven Five Unsecured Notes [Member]    
Fair Value [Line Items]    
Total deferred debt issuance costs   $ 2,600,000
CLO [Member]    
Fair Value [Line Items]    
Equity cost value 7,700,000  
Investment held in subordinated and income notes 7,100,000  
Amortization of cost 57,000  
Interest income recognized 16,500,000  
CLO [Member] | Subordinated and income notes [Member]    
Fair Value [Line Items]    
Interest income recognized $ 3,200,000  
Minimum [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 5.50%  
Maximum [Member]    
Fair Value [Line Items]    
Unamortized deferred debt, percentage 7.75%