v3.26.1
Significant Agreements and Related Parties - Additional Information (Details) - USD ($)
$ in Thousands
 3 Months Ended 12 Months Ended
Apr. 01, 2022
Mar. 31, 2026
Mar. 31, 2025
Dec. 31, 2025
Related Party Transaction [Line Items]        
Management fee calculated at annual rate of average adjusted gross assets   1.50%    
Capital gains incentive fees eliminated $ 163,200      
Management fees   $ 1,072 $ 1,272  
Management fee payable   $ 1,072   $ 1,183
Income incentive fee calculation percentage on pre-incentive fee net investment income   20.00%    
Hurdle rate income incentive fee calculation on quarterly basis   1.75%    
Annualized hurdle rate on income incentive fee calculation   7.00%    
Percentage of net assets   1.75%    
Percentage of annualized pre-incentive fee net investment income subject to a catch-up provision   8.75%    
Receivable percentage of pre-incentive fee net investment income   20.00%    
Percentage of Cumulative pre incentive fee net return   20.00%    
Incentive fee waiver   $ 2,810    
Accrued incentive fees payable       2,267
Incentive fees   543 1,150  
Administration fees   $ 510 355  
Great Elm Capital Management, Inc.,        
Related Party Transaction [Line Items]        
Aggregate cumulative realized capital gains percentage   20.00%    
Cumulative accrued incentive fees payable   $ 0    
Incentive fee waiver   2,810    
Accrued incentive fees payable   543   2,267
Incentive fees   543 1,150  
Capital gains incentive fees accrual   0   0
Administration fees   420 $ 355  
Administrative expense payable   $ 420   292
Accrued incentive fees immediately payable       $ 0
Minimum        
Related Party Transaction [Line Items]        
Hurdle rate income incentive fee calculation on quarterly basis   1.75%    
Maximum        
Related Party Transaction [Line Items]        
Hurdle rate income incentive fee calculation on quarterly basis   2.1875%    
Percentage of net assets   2.1875%