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Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $)
In Thousands
3 Months Ended9 Months Ended
Sep. 30, 2011
Sep. 30, 2010
Sep. 30, 2011
Sep. 30, 2010
Consolidated Statements Of Comprehensive Income [Abstract]    
Unrealized (losses) gains on securities, tax$ (273)$ 67$ (1,232)$ 21
Reclassification adjustment for gains included in net income, tax69629997
Other comprehensive income, tax$ (267)$ 163$ (933)$ 118