Investments, Gross Investment Gains and Losses before Applicable Income Taxes (Details) - USD ($)	3 Months Ended		12 Months Ended
	Mar. 31, 2024	Mar. 31, 2023	Dec. 31, 2023
Net Gains and Losses from Investments [Abstract]
Gross realized gains	$ 4,000	$ 307,000
Gross realized losses	81,000	2,268,000
Net realized losses	(77,000)	(1,961,000)
Gross unrealized gains on equity securities	9,315,000		$ 7,059,000
Gross unrealized losses on equity securities	(63,000)		$ 0
Net investment gains (losses)	2,113,378	(331,189)
Fixed Maturities [Member]
Net Gains and Losses from Investments [Abstract]
Gross realized gains	4,000	22,000
Gross realized losses	81,000	2,222,000
Credit impairment charges	(3,000)	(87,000)
Equity Securities [Member]
Net Gains and Losses from Investments [Abstract]
Gross realized gains	0	285,000
Gross realized losses	0	46,000
Gross unrealized gains on equity securities		2,202,000
Gross unrealized gains on equity securities	2,256,000
Gross unrealized losses on equity securities		$ (485,000)
Gross unrealized losses on equity securities	$ (63,000)