Reconciliation of Statutory Filings to Amounts Reported in the Consolidated Financial Statements, Reconciliations of Statutory Net Income and Capital and Surplus (Details) - USD ($)	12 Months Ended
	Dec. 31, 2021	Dec. 31, 2020	Dec. 31, 2019	Dec. 31, 2018
Reconciliation of Statutory Filings to Amounts Reported in the Consolidated Financial Statements [Abstract]
Statutory net income of insurance subsidiaries	$ 10,750,552	$ 48,282,517	$ 44,680,696
Increases (Decreases): [Abstract]
Deferred policy acquisition costs	8,871,415	(127,901)	(1,330,268)
Deferred federal income taxes	(1,085,903)	(6,448)	639,284
Salvage and subrogation recoverable	2,551,800	713,400	207,000
Consolidating eliminations and adjustments	(18,769)	(9,516,984)	(11,048,314)
Parent-only net income	4,185,079	13,470,668	14,003,346
Net income	25,254,174	52,815,252	47,151,744
Statutory Capital and Surplus of Insurance Subsidiaries [Abstract]
Statutory capital and surplus of insurance subsidiaries	466,186,406	458,407,568	418,449,596
Deferred policy acquisition costs	68,028,373	59,156,958	59,284,859	$ 60,615,127
Deferred federal income taxes	(21,294,388)	(18,586,428)	(15,477,843)
Salvage and subrogation recoverable	23,510,400	20,958,600	20,245,200
Non-admitted assets and other adjustments, net	929,862	1,315,378	1,727,754
Fixed maturities	5,958,434	15,309,610	(326,795)
Parent-only equity and other adjustments	(12,283,000)	(18,787,566)	(32,887,252)
Stockholders' equity	$ 531,036,087	$ 517,774,120	$ 451,015,519	$ 398,869,901