Basis Of Presentation and Significant Accounting Policies (Details)	12 Months Ended
	Dec. 31, 2017 USD ($) State Subsidiary	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Number of title insurance subsidiaries | Subsidiary	2
Number of States in which Entity operates | State	22
Cost Method Investments, Original Cost	$ 5,438,745	$ 4,744,402
Premium collection period before reserved	7 months
Unrealized holding gains on available-for-sale securities	$ 16,002,382	11,870,647	$ 11,597,741
Unrecognized prior service cost and unrecognized actuarial losses associated with postretirement benefit liabilities	57,556	109,200	114,726
Excess Tax Benefit from Share-based Compensation, Operating Activities	$ 142,280	32,293	26,875
Potential claim payment period after policy issuance	20 years
Minimum
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Property and equipment useful life	3 years
Finite-Lived Intangible Asset, Useful Life	1 year
Maximum
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Property and equipment useful life	25 years
Finite-Lived Intangible Asset, Useful Life	30 years
Lag time between Policy effective dates and transaction reporting dates	100 days
Restatement Adjustment [Member]
Organization, Consolidation and Presentation of Financial Statements [Line Items]
Quantifying Misstatement in Current Year Financial Statements, Amount		$ 1,526,230	$ 566,213