Unpaid Losses And Loss Adjustment Expenses (Details) - USD ($)	3 Months Ended
	Mar. 31, 2018	Mar. 31, 2017	Dec. 31, 2017	Dec. 31, 2016
Insurance Loss Reserves [Abstract]
Gross reserves	$ 53,914,003	$ 49,890,049	$ 49,076,991	$ 47,055,787
Reinsurance recoverable on unpaid losses and loss adjustment expenses	11,570,306	9,885,632	8,393,550	9,520,970
Net reserves	42,343,697	40,004,417	$ 40,683,441	$ 37,534,817
Incurred losses and loss adjustment expenses
Current accident year	6,009,138	6,497,566
Prior accident years	1,792,619	2,027,615
Incurred losses and loss adjustment expenses	7,801,757	8,525,181
Paid losses and loss adjustment expenses
Current accident year	1,388,589	1,035,179
Prior accident years	4,752,912	5,020,402
Total payment losses and loss adjustment expenses	$ 6,141,501	$ 6,055,581