Investments - Cost, Amortized Cost, and AFS Fixed Maturity Securities Unrealized Loss Position (Details) $ in Thousands	12 Months Ended
Dec. 31, 2015 USD ($) security
Cost or Amortized Cost
Total	$ 2,921
Fair Value
Total Fair Value	2,706
Fixed maturity securities
Cost or Amortized Cost
Due after one year through five years	376
Due after ten years	2,014
Total	2,390
Fair Value
Due after one year through five years	370
Due after ten years	1,814
Total Fair Value	2,184
Residential mortgage-backed
Cost or Amortized Cost
Total	531
Fair Value
Total Fair Value	$ 522
Other information
Number of securities with subprime exposure below investment grade \| security	1
Residential mortgage-backed \| Investment revenue sources \| Credit concentration \| Investment rated as non-investment grade
Other information
Concentration percentage	9.00%
Residential mortgage-backed \| Investment revenue sources \| Credit concentration \| Fixed income portfolio
Other information
Concentration percentage	1.00%
Residential mortgage-backed \| Subprime Mortgage Collateral and Total Unrealized Gains \| Credit concentration
Other information
Concentration percentage	5.00%

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This item represents the aggregate fair value of investments in debt and equity securities in an unrealized loss position which are categorized neither as held-to-maturity nor trading securities.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 320
-SubTopic 10
-Section 50
-Paragraph 6
-Subparagraph (a)(1)
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For an entity that discloses a concentration risk in relation to quantitative amount, which serves as the "benchmark" (or denominator) in the equation, this concept represents the concentration percentage derived from the division.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 275
-SubTopic 10
-Section 50
-Paragraph 18
-URI http://asc.fasb.org/extlink&oid=64851502&loc=d3e6351-108592

Reference 2: http://www.xbrl.org/2003/role/presentationRef
-Publisher FASB
-Name Accounting Standards Codification
-Topic 825
-SubTopic 10
-Section 50
-Paragraph 20
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-Section 50
-Paragraph 21
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Represents the debt securities in a continuous unrealized loss position, which are expected to mature after one year and through five years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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Represents the fair value of debt securities in a continuous unrealized loss position, which are expected to mature after one year and through five years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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Represents the debt securities in a continuous unrealized loss position, which are expected to mature after ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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Represents the fair value of debt securities in a continuous unrealized loss position, which are expected to mature after ten years from the balance sheet date and which are categorized neither as held-to-maturity nor trading securities.

+ References

No definition available.

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Represents the debt securities in a continuous unrealized loss position grouped by maturity dates and which are categorized neither as held-to-maturity nor trading securities.

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No definition available.

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This item represents the number of securities with a sub-prime exposure rated as non-investment grade.

+ References

No definition available.

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