Investments (Narrative or Textual) (Details) (USD $)	3 Months Ended	12 Months Ended
Mar. 31, 2015	Dec. 31, 2014
Investment [Abstract]
Condition for categorizing the impaired securities	$ 1,000,000
Condition for categorizing the impaired securities, percentage	10.00%
Weighted-average life of mortgage-backed and asset-backed securities, Years	5.1
Number of fixed maturity and equity securities held	2,910
Percentage of securities in unrealized loss position	20.00%
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ (42,319,000)	$ (41,776,000)

Condition for categorizing the impaired securities

No definition available.

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- Definition

Condition for categorizing the impaired securities, percentage

+ References

No definition available.

+ Details

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- Definition

No authoritative reference available.

+ References

No definition available.

+ Details

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- Definition

Weighted-average life of mortgage-backed and asset-backed securities in years.

+ References

No definition available.

+ Details

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- Definition

Amount of unrealized loss on securities classified as available-for-sale.

+ 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)(2)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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- Definition

Number of investment positions in available-for-sale investments in a continuous unrealized loss position for which an other-than-temporary impairment (OTTI) has not been recognized in the income statement.

+ 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 (b)(3)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27290-111563

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