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Investments - Net Unrealized Losses Included in Other Comprehensive Income (Loss) (Details) - USD ($)
Mar. 31, 2026
Dec. 31, 2025
Investments [Abstract]    
Unrealized appreciation (depreciation) on available-for-sale securities $ (2,156,711) $ (1,741,400)
Deferred income taxes 452,909 365,693
Net unrealized appreciation (depreciation) on available-for-sale securities $ (1,703,802) $ (1,375,707)