INCOME TAXES (Details)	3 Months Ended		6 Months Ended
	Jun. 30, 2013	Jun. 30, 2012	Jun. 30, 2013	Jun. 30, 2012
INCOME TAXES [Abstract]
Combined statutory federal and state income tax rates (in hundredths)	40.90%	40.90%	40.90%	40.90%
Effective book income tax rates (in hundredths)	37.00%	44.30%	36.90%	40.40%