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LONG-TERM DEBT - LMA Income Series, LP and LMA Income Series, GP LLC Secured Borrowing (Details) - LMATT Income Series, LP - Secured borrowing
 9 Months Ended
Sep. 30, 2023
USD ($)
option
Dec. 31, 2022
USD ($)
Debt Instrument [Line Items]    
Debt instrument term 3 years  
Debt Instrument extension options | option 2  
Debt instrument extension term 1 year  
Dividend percentage 6.50%  
Return rate in excess of minimum internal rate of return 25.00%  
Minimum internal rate of return threshold 6.50%  
Internal rate of return cap 9.00%  
Net internal rate of return at cap 15.00%  
Fair value    
Debt Instrument [Line Items]    
Long-term debt, gross | $ $ 22,242,291 $ 17,428,349
General Partner    
Debt Instrument [Line Items]    
Return rate in excess of minimum internal rate of return 75.00%  
Minimum internal rate of return threshold 6.50%  
Limited Partner    
Debt Instrument [Line Items]    
Internal rate of return cap 15.00%  
Return Rate in excess of capped internal rate of return threshold 100.00%