EARNINGS PER SHARE AND STOCK-BASED COMPENSATION (Details 3) (Stock options, USD $) In Thousands, except Share data, unless otherwise specified	9 Months Ended
	Sep. 30, 2012
Stock options
Stock options, Shares
Outstanding at the beginning of the period (in shares)	1,046,746
Granted (in shares)	150,000
Exercised (in shares)	(79,660)
Expired (in shares)	(26,635)
Outstanding at the end of the period (in shares)	1,090,451
Options exercisable at the end of the period (in shares)	248,021
Stock options, Weighted Average Exercise Price
Outstanding at the beginning of the period (in dollars per share)	$ 9.09
Granted (in dollars per share)	$ 7.43
Exercised (in dollars per share)	$ 7.49
Expired (in dollars per share)	$ 10.33
Outstanding at the end of the period (in dollars per share)	$ 8.95
Options exercisable at the end of the period (in dollars per share)	$ 12.26
Stock options, Weighted Average Remaining Contractual Term
Outstanding at the end of the period (in years)	5 years 10 months 24 days
Options exercisable at the end of the period (in years)	4 years 2 months 12 days
Stock options, Aggregate Intrinsic Value
Outstanding at the end of the period	$ 3,422
Options exercisable at the end of the period	$ 513