Income Taxes (Schedule of Income Tax Effects of Changes in Temporary Differences) (Details) - USD ($) $ in Thousands	3 Months Ended		6 Months Ended
	Jun. 30, 2018	Jun. 30, 2017	Jun. 30, 2018	Jun. 30, 2017
Income Tax Disclosure [Abstract]
Deferred policy acquisition costs			$ 4	$ 57
Unearned premiums			(79)	(163)
General expenses			(2)	30
Depreciation			(6)	(4)
Claims liabilities			14	(109)
AMT credit			787	(47)
Impact of repeal of special provision on pre-1984 policyholder surplus			(33)	0
Unrealized gains on equity securities			(77)	0
Deferred income tax expense (benefit)	$ (87)	$ (162)	$ 608	$ (236)