Reinsurance (Effect of Reinsurance on Premiums Written, Amounts Earned, and Losses Incurred) (Details) - USD ($)	3 Months Ended
	Mar. 31, 2019	Mar. 31, 2018
Premiums written:
Direct	$ 8,197,517	$ 8,548,380
Ceded	1,952,477	1,894,058
Premiums written, net of reinsurance	6,245,040	6,654,322
Premiums earned:
Direct	6,353,380	6,766,376
Ceded	862,173	812,998
Premiums earned, net of reinsurance	5,491,207	5,953,378
Losses and loss adjustment expenses incurred:
Direct	3,911,189	3,949,768
Ceded	589,513	600,067
Losses and loss adjustment expenses incurred, net of reinsurance	$ 3,321,676	$ 3,349,701