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Consolidated Statements of Changes in Stockholders' Equity (Parenthetical) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2011	Dec. 31, 2010	Dec. 31, 2009
Comprehensive income:
Unrealized holding losses, tax effect	$ 1,531	$ 310	$ 231
Reclassification adjustment (tax effect)	268	184	99
Pension liability adjustment, tax effect	$ 120	$ 181	$ 122
Cash dividends (in dollars per share)	$ 0.20	$ 0.25	$ 0.47

Tax effects of the increase (decrease) to accumulated comprehensive income during the period related to benefit plans. While for technical reasons this element has no balance attribute, the default assumption is a credit balance consistent with its label.

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- Definition

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

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- Definition

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

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