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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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