Summary of Significant Accounting Policies (Narrative) (Details)			3 Months Ended		6 Months Ended
	Mar. 28, 2017 USD ($)	Mar. 17, 2017 USD ($) shares	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018 USD ($) segment	Jun. 30, 2017 USD ($)	Mar. 24, 2017 shares
Summary Of Significant Accounting Policies [Line Items]
Impairment					$ 0	$ 0
Federal tax rate					21.00%	34.00%
Employee stock ownership plan, shares | shares							350,000
Underwriting fees paid	$ 1,000,000
Net proceeds received from issuance of shares of common stock	$ 28,700,000					$ 29,253,588
Operating segments | segment					1
Illinois [Member]
Summary Of Significant Accounting Policies [Line Items]
Concentration risk			28.80%	36.50%	30.90%	36.20%
Surplus Notes [Member]
Summary Of Significant Accounting Policies [Line Items]
Notes converted		$ 1,650,000
Debt converted, shares issued | shares		165,000