v3.26.1
Agreements and Related Party Transactions - Additional Information (Detail) - USD ($)
3 Months Ended 6 Months Ended
Oct. 05, 2018
Mar. 31, 2026
Mar. 31, 2025
Jun. 30, 2025
Agreements And Related Party Transactions [Line Items]        
Investment company, total return [1],[2],[3]   0.53% 0.79%  
Percentage of reimbursement of distributions by adviser upon liquidation   100.00%    
Percentage of cumulative realized capital gains net exceeds   20.00%    
Management fee expense   $ 587,000 $ 719,000  
Administrative fees expense   39,000 63,000  
Incentive fee expense   $ 124,000 239,000  
Investment company committed capital $ 326,000,000      
First, Unitholder Preferred Return [Member]        
Agreements And Related Party Transactions [Line Items]        
percentage of current proceeds to unitholders   100.00%    
Second., Adviser Catch Up [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of total amount distributed to unitholders and advisers   15.00%    
Percentage of Current Proceeds to Advisers   80.00%    
Third Order of Priority Return of Capital Contributions [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of distribution to unitholders   85.00%    
Percentage of distribution to adviser as an incentive fee   15.00%    
Capital Commitment Condition One [Member]        
Agreements And Related Party Transactions [Line Items]        
Investment company committed capital   $ 400,000    
Multiplier to capital commitment   0.0025    
Aggregate operating expenses relating to unitholders   $ 1,250    
Capital Commitment Condition Two [Member]        
Agreements And Related Party Transactions [Line Items]        
Investment company committed capital   400,000    
Aggregate operating expenses relating to unitholders   $ 2,250    
First Return Of Capital Contributions [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of disposition proceeds to unitholders   100.00%    
Second Unitholder Preferred Return [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of disposition proceeds to unitholders   100.00%    
Third Adviser Catch Up [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of disposition proceeds to advisers   80.00%    
Percentage of total amount distributed to unitholders and advisers   15.00%    
Fourth Order Of Priority Return Of Capital Contributions [Member]        
Agreements And Related Party Transactions [Line Items]        
Percentage of distribution to unitholders   85.00%    
Percentage of distribution to adviser as an incentive fee   15.00%    
Minimum [Member] | Second Unitholder Preferred Return [Member]        
Agreements And Related Party Transactions [Line Items]        
Investment company, total return   6.00%    
Advisor [Member]        
Agreements And Related Party Transactions [Line Items]        
Management fee expense   $ 587,000 719,000  
Administrative fees expense   39,000 63,000  
Incentive fee expense   124,000 $ 239,000  
Reimbursement of organizational and offering expenses   500,000    
Reimbursement of offering expenses   308,000    
Reimbursement of organizational expenses   $ 84,000    
Management Fee [Member] | Advisor [Member]        
Agreements And Related Party Transactions [Line Items]        
Related party transaction rate   1.50%    
Percentage of payment to placement agent       100.00%
Administration Fee [Member] | Advisor [Member]        
Agreements And Related Party Transactions [Line Items]        
Related party transaction rate   0.08%    
[1] Calculated as the change in net asset value (“NAV”) per Unit during the period plus distributions declared per Unit, divided by the beginning NAV per Unit. Total return does not include a sales load.
[2] Calculated using the average units outstanding method. Weighted average Units outstanding for the three months ended March 31, 2026 and March 31, 2025 were 14,415,168 and 18,532,519, respectively.
[3] Not annualized for periods less than one year.