Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	3 Months Ended
Mar. 31, 2013	Mar. 31, 2012
Beginning Balance	$ 2,572	$ 865
Other comprehensive loss before reclassifications	(1,136)	(201)
Amount reclassified from accumulated other Comprehensive income		(14)
Net current-period other comprehensive income (loss)	(1,136)	(215)
Ending balance	$ 1,436	$ 650

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

+ References+ Details

Net of tax amount of other comprehensive income (loss) attributable to the parent entity.

+ References

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+ Details

- Definition

Net of tax amount of the income statement impact of the reclassification adjustment for unrealized gain (loss) realized upon the sale of available-for-sale securities.

+ References

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

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+ Details