Related Party Transactions Summary Of Approximate Values By Year Found Within Consolidated Statements Of Income (Details) - USD ($)	3 Months Ended
	Mar. 31, 2017	Mar. 31, 2016
Related Party Transaction [Line Items]
Net premiums written	$ 33,641,564	$ 21,508,997
Other income	2,959,695	2,052,184
Commissions to agents	16,331,110	11,532,882
Title Insurance Agencies
Related Party Transaction [Line Items]
Net premiums written	3,558,000	2,743,000
Other income	272,000	126,000
Commissions to agents	$ 2,404,000	$ 1,848,000