Investments (Schedule of Unrealized Appreciation) (Details) (USD $) In Thousands, unless otherwise specified	9 Months Ended	12 Months Ended
Sep. 30, 2013	Dec. 31, 2012
Investments [Abstract]
Net change in unrealized appreciation on available-for-sale securities before deferred tax	$ 3,310	$ (153)
Deferred income tax	(1,125)	52
Net change in unrealized appreciation on available-for-sale securities	$ 2,185	$ (101)

The change in deferred tax associated with the change in unrealized holding gain (loss) on available-for-sale securities included in a separate component of shareholders' equity during the period.

No definition available.

+ Details

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- Definition

This item represents the pretax change in net unrealized holding gain (loss) on available-for-sale securities that has been included in accumulated other comprehensive income, a separate component of shareholders' equity, during the period.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 320

-SubTopic 10

-Section 50

-Paragraph 9

-Subparagraph (d)

-URI http://asc.fasb.org/extlink&oid=27724398&loc=d3e27357-111563

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- Definition

The change in unrealized holding gain (loss), net of tax, on available-for-sale securities included in a separate component of shareholders' equity during the period.

+ References

+ Details

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- Details

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