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