Regulatory Requirements and Dividend Restrictions (Details) - USD ($) $ in Thousands	Dec. 31, 2017	Dec. 31, 2016
Statutory Accounting Practices [Line Items]
Assets held by insurance regulators	$ 2,928	$ 3,026
Life Insurance Operations
Statutory Accounting Practices [Line Items]
Statutory amount available for dividend payments	1,646
P&C Insurance Operations
Statutory Accounting Practices [Line Items]
Statutory amount available for dividend payments	$ 3,419

Carrying amount of cash and investment securities on deposit with state regulatory authorities in connection with capital requirements.

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 944
-SubTopic 320
-Section 50
-Paragraph 1
-URI http://asc.fasb.org/extlink&oid=75027294&loc=d3e22002-158495

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Amount of dividends available for payment after computation of statutory restrictions on capital surplus.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 235
-SubTopic 10
-Section S99
-Paragraph 1
-Subparagraph (SX 210.4-08.(e))
-URI http://asc.fasb.org/extlink&oid=26873400&loc=d3e23780-122690

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