Summary of Significant Accounting Policies (Narrative) (Details)			3 Months Ended
	Mar. 28, 2017 USD ($)	Mar. 17, 2017 USD ($) shares	Mar. 31, 2017 USD ($) entity shares	Mar. 31, 2016	Mar. 24, 2017 shares	Dec. 31, 2016 shares
Summary Of Significant Accounting Policies [Line Items]
Employee stock ownership plan, shares | shares			350,000		350,000	0
Underwriting fees paid	$ 978,150
Proceeds received from issuance of shares of common stock, net of offering			$ 29,136,900
Federal tax rate			34.00%	34.00%
Illinois [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk			35.90%	39.20%
Illinois Casualty Company [Member]
Summary Of Significant Accounting Policies [Line Items]
Number of subsidiaries | entity			3
Surplus Notes [Member]
Summary Of Significant Accounting Policies [Line Items]
Notes converted		$ 1,650,000
Debt converted, shares issued | shares		165,000