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Investments - Schedule of net gains on investments (Details) - USD ($) | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2024 | Sep. 30, 2023 | Sep. 30, 2024 | Sep. 30, 2023
Net Investment Income [Line Items] |  |  |  |
Net realized gains (losses) | $ 365,938 | $ (4,181) | $ (59,838) | $ (17,201)
Net unrealized gains (losses) | 460,584 | (820,189) | 1,379,145 | 614,844
Net gains (losses) on investments | 826,522 | (824,370) | 1,319,307 | 597,643
Realized Losses Fixed-maturity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross realized gains | 157 | 263 | 962 | 1,207
Gross realized losses | (4,096) | (4,444) | (12,430) | (18,408)
Total fixed-maturity securities | (3,939) | (4,181) | (11,468) | (17,201)
Realized Losses Equity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross realized gains | 369,877 | 0 | 374,997 | 0
Gross realized losses | 0 | 0 | (423,367) | 0
Total equity securities | 369,877 | 0 | (48,370) | 0
Unrealized (Losses) Gains Equity Securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross gains | 669,059 | 0 | 1,291,933 | 173,178
Gross losses | (314,816) | (483,967) | (314,816) | 0
Total equity securities | 354,243 | (483,967) | 977,117 | 173,178
Unrealized (Losses) Gains Other Investments |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross losses | 0 | (336,222) | 0 | 0
Gross gains | 106,341 | 0 | 402,028 | 441,666
Total other investments | $ 106,341 | $ (336,222) | $ 402,028 | $ 441,666

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- Definition Line items represent financial concepts included in a table. These concepts are used to disclose reportable information associated with domain members defined in one or many axes to the table. + References Reference 1: http://www.xbrl.org/2003/role/disclosureRef -Topic 944 -SubTopic 220 -Name Accounting Standards Codification -Section S99 -Paragraph 1 -Subparagraph (SX 210.7-04(2)(a)) -Publisher FASB -URI https://asc.fasb.org/1943274/2147477250/944-220-S99-1 + Details
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