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INCOME TAXES (Details)
3 Months Ended 6 Months Ended
Jun. 30, 2012
Jun. 30, 2011
Jun. 30, 2012
Jun. 30, 2011
INCOME TAXES [Abstract]        
Combined statutory federal and state income tax rates (in hundredths) 40.90% 40.90% 40.40% 40.40%
Surcharge on the corporation business tax (in hundredths)     10.00%  
Increase in statutory rate of the Connecticut corporation business tax (in hundredths)     9.00% 8.25%
Effective book income tax rates (in hundredths) 44.30% 43.10% 40.40% 38.70%