Liability for Losses and Loss Expenses, Summary of Insurance Subsidiaries' Liability for Losses and Loss Expenses (Details) - USD ($)	12 Months Ended
Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021
Liability for Claims and Claims Adjustment Expense [Abstract]
Balance at January 1	$ 1,121,045,758	$ 1,077,620,301	$ 962,007,437
Less reinsurance recoverable	(451,184,222)	(451,261,306)	(404,818,480)
Cumulative effect of adoption of updated accounting guidance for credit losses at January 1	1,131,836	0	0
Net balance at January 1	669,861,536	626,358,995	557,188,957
Net balance at January 1	670,993,372
Incurred related to [Abstract]
Current year	625,831,043	608,900,206	551,917,571
Prior years	(16,653,344)	(44,821,213)	(31,208,029)
Total incurred	609,177,699	564,078,993	520,709,542
Paid related to [Abstract]
Current year	330,290,039	302,272,322	269,316,762
Prior years	260,738,168	218,304,130	182,222,742
Total paid	591,028,207	520,576,452	451,539,504
Net balance at end of period		669,861,536	626,358,995
Net balance at period end	689,142,864	670,993,372
Plus reinsurance recoverable	437,013,974	451,184,222	451,261,306
Balance at end of period	$ 1,126,156,838	$ 1,121,045,758	$ 1,077,620,301
Percentage of development	2.50%	7.20%	5.60%

Liability as of the balance sheet date for amounts representing estimated cost of settling unpaid claims under the terms of the underlying insurance policies, less estimated reinsurance recoveries on such claims. This includes an estimate for claims which have been incurred but not reported. Claim adjustment expenses represent the costs estimated to be incurred in the settlement of unpaid claims, after the Cumulative effect of adoption of updated accounting guidance for credit losses.

No definition available.