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Consolidated Statements Of Comprehensive Income (Parenthetical) (USD $) In Thousands, unless otherwise specified	3 Months Ended
	Mar. 31, 2012	Mar. 31, 2011
Consolidated Statements Of Comprehensive Income [Abstract]
Net unrealized securities gains arising during the period, taxes	$ 39	$ 28
Realized securities gains, taxes	$ 6	$ 0

Tax effect on the reclassification adjustment for gains or losses realized upon the sale of securities during the period.

Tax effect on gross appreciation or the gross loss in value of the total of unsold securities during the period being reported on.