Quarterly report pursuant to Section 13 or 15(d)

Margin Loan (Details)

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Margin Loan (Details) - USD ($)
3 Months Ended 6 Months Ended
Jun. 30, 2024
Jun. 30, 2023
Jun. 30, 2024
Jun. 30, 2023
Dec. 31, 2023
Line of Credit Facility [Line Items]          
Margin loan balance $ 1,056,000   $ 1,056,000   $ 782,000
Proceeds from lines of credit     4,285,000 $ 6,866,000  
Repayments of lines of credit     9,653,000 8,315,000  
Margin Loan          
Line of Credit Facility [Line Items]          
Margin loan balance $ 1,100,000   1,100,000   $ 800,000
Proceeds from lines of credit     6,300,000    
Repayments of lines of credit     $ 6,000,000    
Debt instrument, basis spread on variable rate     0.60%    
Debt, weighted average interest rate 0.82%   0.82%   0.98%
Interest expense, debt $ 12,429 $ 600,000 $ 31,061 $ 1,300,000  
Margin Loan | Median          
Line of Credit Facility [Line Items]          
Margin loan balance $ 9,800,000   $ 9,800,000   $ 27,400,000