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LONG-TERM DEBT - LMATT Growth and Income Series 1.2026, Inc. Market-Indexed Notes (Details) - USD ($)
Sep. 30, 2023
Dec. 31, 2022
Sep. 16, 2022
Debt Instrument [Line Items]      
Assets $ 304,301,937 $ 59,094,847  
LMATT Growth & Income Series 1.2026, Inc | Market-indexed notes      
Debt Instrument [Line Items]      
Face amount     $ 400,000
Upside performance participation cap     140.00%
Market downturn protection percentage     10.00%
Note reduction ratio for losses below threshold     100.00%
Dividend percentage     4.00%
LMATT Growth & Income Series 1.2026, Inc | Market-indexed notes | Asset Pledged as Collateral      
Debt Instrument [Line Items]      
Assets 369,253    
LMATT Growth & Income Series 1.2026, Inc | Market-indexed notes | Fair value      
Debt Instrument [Line Items]      
Long-term debt, gross $ 427,284 $ 400,000  
LMATT Growth & Income Series 1.2026, Inc      
Debt Instrument [Line Items]      
Ownership percentage     100.00%