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Other Comprehensive Income (Loss) (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended		9 Months Ended
	Sep. 30, 2014	Sep. 30, 2013	Sep. 30, 2014	Sep. 30, 2013
Accumulated Other Comprehensive Income (Loss) [Roll Forward]
Balance at beginning of period	$ 1,546	$ (3,433)	$ (6,591)	$ 7,940
Unrealized gains (losses) arising during the period	614	(1,199)	13,172	(17,609)
Reclassification of realized gains during the period	(1,105)	0	(1,145)	(1,087)
Related deferred taxes	172	420	(4,209)	6,544
Net change	(319)	(779)	7,818	(12,152)
Balance at end of period	$ 1,227	$ (4,212)	$ 1,227	$ (4,212)

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Accumulated appreciation or loss, net of tax, in value of the total of available-for-sale securities at the end of an accounting period.

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Amount after tax and reclassification adjustments, of appreciation (loss) in value of unsold available-for-sale securities. Excludes amounts related to other than temporary impairment (OTTI) loss.

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Amount after tax of reclassification adjustment from accumulated other comprehensive income for unrealized gain (loss) realized upon the sale of available-for-sale securities.

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Amount before tax and reclassification adjustments of unrealized holding gain (loss) on available-for-sale securities.

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