Income Taxes (Narrative) (Details) - USD ($)	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Income Tax Disclosure [Abstract]
Policyholders' surplus	$ 2,520,000
Pre-1984 policyholder surplus account	529,000	$ 0
Tax Cuts and Jobs Act of 2017, income tax expense	857,000.000
Tax Cuts and Jobs Act of 2017, change in tax rate, income tax benefit	54,000
Net deferred tax asset position	$ 1,487,000	$ 2,402,000