Consolidated Balance Sheets (Parenthetical) - USD ($)	Dec. 31, 2017	Dec. 31, 2016
Statement of Financial Position [Abstract]
Fixed maturities, available-for-sale, cost	$ 100,314,085	$ 100,162,357
Equity securities, available-for-sale, cost	$ 26,002,619	$ 24,836,032
Preferred stock, shares authorized	1,000,000	1,000,000
Preferred stock, shares issued	0	0
Common stock, no par value
Common stock, shares authorized	10,000,000	10,000,000
Common stock, shares issued	1,885,993	1,884,283
Common stock, shares outstanding	1,885,993	1,884,283
Common stock, held by Company's subsidiary	291,676	291,676