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Consolidated Statements of Comprehensive Income (Parenthetical) (USD $)
In Thousands, unless otherwise specified
3 Months Ended
Mar. 31, 2013
Mar. 31, 2012
Consolidated Statements of Comprehensive Income [Abstract]    
SECURITIES: Unrealized losses arising during the period, income taxes $ (231) $ (92)
SECURITIES: Reclassification adjustment for net gains included in net income, income taxes 0 (1)
PENSION: Change in plan assets and benefit obligations, income taxes $ 59 $ 57