Segments (Schedule of Gross and Net Premiums Written) (Details) - USD ($) $ in Thousands	3 Months Ended
Mar. 31, 2018	Mar. 31, 2017
Segment Reporting Information [Line Items]
Gross premiums written	$ 16,965	$ 17,169
Reinsurance premium ceded	(1,185)	(1,131)
Net premiums written	15,780	16,038
Life Insurance Operations
Segment Reporting Information [Line Items]
Gross premiums written	1,535	1,568
Reinsurance premium ceded	(31)	(29)
Net premiums written	1,504	1,539
Life Insurance Operations \| Traditional life insurance
Segment Reporting Information [Line Items]
Gross premiums written	1,120	1,145
Life Insurance Operations \| Accident and health insurance
Segment Reporting Information [Line Items]
Gross premiums written	415	423
P&C Insurance Operations
Segment Reporting Information [Line Items]
Gross premiums written	15,430	15,601
Reinsurance premium ceded	(1,154)	(1,102)
Net premiums written	14,276	14,499
P&C Insurance Operations \| Dwelling fire & extended coverage
Segment Reporting Information [Line Items]
Gross premiums written	9,553	9,431
P&C Insurance Operations \| Homeowners (Including mobile homeowners)
Segment Reporting Information [Line Items]
Gross premiums written	5,312	5,627
P&C Insurance Operations \| Other liability
Segment Reporting Information [Line Items]
Gross premiums written	$ 565	$ 543

Amount of written premiums ceded to other entities.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (c)(2)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (b)(3)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

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Amount, before premiums ceded to other entities and premiums assumed by the entity, of premiums written.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (c)(1)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

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Amount, after premiums ceded to other entities and premiums assumed by the entity, of premiums written.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (c)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 605
-Section 50
-Paragraph 1
-Subparagraph (b)
-URI http://asc.fasb.org/extlink&oid=6486672&loc=d3e27261-158547

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