Investments (Narrative) (Details)	6 Months Ended
	Jun. 30, 2018 USD ($) item	Jun. 30, 2017 USD ($)	Dec. 31, 2017 USD ($) item
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses for 12 consecutive months or longer	$ 461,000		$ 264,751
OTTI losses recognized in other comprehensive earnings	0	$ 57,316
Securities pledged	0
FHLBC outstanding balance	$ 0
Common Equity And Preferred Stock Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities in an unrealized loss position | item	148		13
Number of securities in an unrealized loss position for 12 consecutive months or longer | item	0		5
Unrealized losses for 12 consecutive months or longer			$ 19,711
Common Stocks [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses for 12 consecutive months or longer
Fixed Maturity Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Number of securities in an unrealized loss position | item	124
Number of securities in an unrealized loss position for 12 consecutive months or longer | item	24
Unrealized losses for 12 consecutive months or longer	$ 461,000		245,040
MBS/ABS/CMBS [Member]
Schedule of Available-for-sale Securities [Line Items]
Unrealized losses for 12 consecutive months or longer	373,214		200,014
MBS/ABS/CMBS [Member] | Residential Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value	14,271,429		13,517,725
MBS/ABS/CMBS [Member] | Commercial Mortgage Backed Securities [Member]
Schedule of Available-for-sale Securities [Line Items]
Fair value	9,177,628		$ 8,469,852
Significant Unobservable Inputs (Level 3)
Schedule of Available-for-sale Securities [Line Items]
Fair value	$ 0