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CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY (Parenthetical) (USD $)
In Thousands, except Per Share data, unless otherwise specified
9 Months Ended
Sep. 30, 2013
Sep. 30, 2012
CONSOLIDATED STATEMENTS OF CHANGES IN EQUITY    
Cash dividends (in dollars per share) $ 0.08  
Common stock purchased by directors' deferred compensation plan (in shares) 1,782 4,291