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INCOME PER COMMON SHARE (Details)
3 Months Ended 9 Months Ended
Sep. 30, 2012
Sep. 30, 2011
Sep. 30, 2012
Sep. 30, 2011
INCOME PER COMMON SHARE [Abstract]        
Incremental shares used in calculation of diluted income per share (in shares) 410,000 643,333 450,517 643,333
Incremental shares not included in calculation of diluted earnings per share (in shares) 120,517 80,000 80,000 80,000