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Accumulated Other Comprehensive Income (Details) (USD $) In Thousands, unless otherwise specified	6 Months Ended
	Jun. 30, 2013	Dec. 31, 2012
Accumulated Other Comprehensive Income [Abstract]
Other Comprehensive Income (Loss), Available-for-sale Securities Adjustment, before Reclassification Adjustments, Net of Tax	$ (295)
Other Comprehensive Income (Loss), Net of Tax	(310)
Decreases to fair market value during period	(347)
Decreases due to realization of a gain	(18)
Net Current-Period other comprehensive loss, before tax	(365)
Accumulated Other Comprehensive Income Net Of Tax	(308)	2
Accumulated Other Comprehensive Income Loss	(363)	2
Other Comprehensive Income (Loss), Reclassification Adjustment for Sale of Securities Included in Net Income, Net of Tax	$ (15)

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

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Before tax amount of other comprehensive income (loss) attributable to both parent entity and noncontrolling interest.

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