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Investments - Schedule of Net Gains (Losses) on Investments (Details) - USD ($) | 3 Months Ended | 9 Months Ended
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Sep. 30, 2025 | Sep. 30, 2024 | Sep. 30, 2025 | Sep. 30, 2024
Net Investment Income [Line Items] |  |  |  |
Net realized losses | $ (6,322) | $ 365,938 | $ (12,126) | $ (59,838)
Net unrealized gains | 188,444 | 460,584 | 602,720 | 1,379,145
Net gains on investments | 182,122 | 826,522 | 590,594 | 1,319,307
Realized Gains (Losses) Fixed-maturity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross realized gains | 333 | 157 | 1,175 | 962
Gross realized losses | (6,655) | (4,096) | (13,301) | (12,430)
Total fixed-maturity securities | (6,322) | (3,939) | (12,126) | (11,468)
Realized Gains (Losses) Equity securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross realized gains | 0 | 369,877 | 0 | 374,997
Gross realized losses | 0 | 0 | 0 | (423,367)
Total equity securities | 0 | 369,877 | 0 | (48,370)
Unrealized Gains (Losses) Equity Securities |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross gains | 94,228 | 669,059 | 94,228 | 1,291,933
Gross losses | 288,506 | (314,816) | 0 | (314,816)
Total equity securities | 382,734 | 354,243 | 94,228 | 977,117
Unrealized Gains (Losses) Other Investments |  |  |  |
Net Investment Income [Line Items] |  |  |  |
Gross losses | 0 | 0 | 0 | 0
Gross gains | (194,290) | 106,341 | 508,492 | 402,028
Total other investments | $ (194,290) | $ 106,341 | $ 508,492 | $ 402,028

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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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