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Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified | 12 Months Ended
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Dec. 31, 2012 | Dec. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract] |  |
Unrealized gains on securities available-for-sale, deferred tax | $ 549 | $ 731
Reclassification adjustment for gains included in net income, tax | $ 229 | $ 402

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