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CONSOLIDATED STATEMENTS OF SHAREHOLDERS' EQUITY (USD $)
In Thousands, unless otherwise specified
Common Stock [Member]
Contributed Capital [Member]
Retained Earnings [Member]
Total
BALANCE at Dec. 31, 2009 $ 422 $ 11,693 $ 71,686 $ 83,801
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net earnings 0 0 8,631 8,631
Dividends paid on common stock 0 0 (2,277) (2,277)
BALANCE at Dec. 31, 2010 422 11,693 78,040 90,155
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net earnings 0 0 22,931 22,931
Dividends paid on common stock 0 0 (2,404) (2,404)
BALANCE at Dec. 31, 2011 422 11,693 98,567 110,682
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net earnings 0 0 27,791 27,791
Dividends paid on common stock 0 0 (2,615) (2,615)
BALANCE at Dec. 31, 2012 $ 422 $ 11,693 $ 123,743 $ 135,858