STOCKHOLDERS' EQUITY AND SHARE-BASED COMPENSATION EXPENSE, Performance-Based Awards (Details) (USD $) In Thousands, except Per Share data, unless otherwise specified	3 Months Ended
	Mar. 31, 2013
Stockholders Equity And Share Based Compensation Expense [Abstract]
PRSU: Award requisite service period	4 years
2011 CEO PRSU grants: Grants in period, Net of forfeitures (in shares)	240
Actual 2011 CEO PRSU Grants Achieved	85
2011 CEO PRSU grants: Grant date intrinsic value achieved (in dollars per share)	$ 4.67
Expected 2011 CEO PRSU grants to be achieved (in shares)	50
2011 CEO PRSU grants: Nonvested awards, Compensation cost not yet recognized	$ 273
PRSUs granted, 2012	917
Share-based compensation arrangement by share-based payment award, options, Grants in Period, Grant Date Intrinsic Value PRSUs, 2012	$ 4.16
Expected PRSUs Granted, 2012, to be Achieved	66.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not Yet Recognized PRSU, 2012	1,047
Share-based Compensation Arrangement by Share-based Payment Award, Options, Grants in Period, Net of Forfeitures, 2013	340
Share-based compensation arrangement by share-based payment award, options, Grants in Period, Grant Date Intrinsic Value, 2013	$ 3.84
Expected PRSUs Granted, 2013, to be Achieved	85.00%
Employee Service Share-based Compensation, Nonvested Awards, Total Compensation Cost Not yet Recognized, 2013	$ 772