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Consolidated Condensed Statement Of Shareholders' Equity (Parenthetical) (USD $)
In Thousands, except Per Share data
9 Months Ended
Sep. 30, 2011
Consolidated Condensed Statement Of Shareholders' Equity [Abstract] 
Increase in unrealized gain on available-for-sale securities$ 528
Unrealized gain on available-for-sale securities, tax resulting from Increase in unrealized gain$ 179
Dividends declared, per share$ 0.03