Segments (Schedule of Gross and Net Premiums Written) (Details) - USD ($) $ in Thousands	12 Months Ended
	Dec. 31, 2017	Dec. 31, 2016
Segment Reporting Information [Line Items]
Gross premiums written	$ 67,737	$ 67,424
Reinsurance premium ceded	(6,349)	(5,899)
Net premiums written	61,388	61,525
Life Insurance Operations
Segment Reporting Information [Line Items]
Gross premiums written	6,239	6,310
Reinsurance premium ceded	(77)	(69)
Net premiums written	6,162	6,241
Life Insurance Operations | Traditional life insurance
Segment Reporting Information [Line Items]
Gross premiums written	4,411	4,459
Life Insurance Operations | Accident and health insurance
Segment Reporting Information [Line Items]
Gross premiums written	1,828	1,851
P&C Insurance Operations
Segment Reporting Information [Line Items]
Gross premiums written	61,498	61,114
Reinsurance premium ceded	(6,272)	(5,830)
Net premiums written	55,226	55,284
P&C Insurance Operations | Dwelling fire & extended coverage
Segment Reporting Information [Line Items]
Gross premiums written	37,034	35,783
P&C Insurance Operations | Homeowners (Including mobile homeowners)
Segment Reporting Information [Line Items]
Gross premiums written	22,319	23,250
P&C Insurance Operations | Other liability
Segment Reporting Information [Line Items]
Gross premiums written	$ 2,145	$ 2,081