Investments - Schedule of unrealized and realized gains (losses) recognized on equity securities (Details) - USD ($) |
3 Months Ended | |
|---|---|---|
Mar. 31, 2026 |
Mar. 31, 2025 |
|
| Investments, Debt and Equity Securities [Abstract] | ||
| Net gains (losses) recognized during the period | $ (9,587) | $ 961 |
| Less: Realized net gains (losses) recognized on equity securities sold | 2,549 | (6,934) |
| Unrealized net gains (losses) recognized on equity securities held | $ (12,136) | $ 7,895 |