STOCK-BASED COMPENSATION (Details 2) (USD $) In Millions, except Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013	Dec. 31, 2012
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding [Roll Forward]
Balance, beginning of year (in shares)	559,812
Granted (in shares)	687,040
Forfeited (in shares)	(244,060)
Expired (in shares)	(3,756)
Exercise of options (in shares)	(40,534)	0
Balance, end of year (in shares)	958,502	559,812
Options exercisable, end of year (in shares)	251,981
Vested and unvested expected to vest options outstanding (in shares)	896,778
Share-based Compensation Arrangement by Share-based Payment Award, Options, Outstanding, Weighted Average Exercise Price [Abstract]
Balance, beginning of year (in dollars per share)	$ 15.00
Granted (in dollars per share)	$ 11.21
Forfeited (in dollars per share)	$ 16.96
Expired (in dollars per share)	$ 54.37
Exercised (in dollars per share)	$ 13.90
Balance, end of year (in dollars per share)	$ 11.18	$ 15.00
Options exercisable, end of year (in dollars per share)	$ 10.57
Vested and unvested expected to vest options outstanding, Weighted-Average Exercise Price (in dollars per share)	$ 11.18
Options outstanding, Weighted-Average Remaining Contractual Term (years)	6 years 7 months 6 days
Options exercisable, Weighted-Average Remaining Contractual Term (years)	5 years
Options vested and expected to vest, Weighted-Average Remaining Contractual Term (years)	6 years 6 months
Options outstanding, Aggregate Intrinsic Value	$ 5.4
Options exercisable, Aggregate Intrinsic Value	1.7
Options vested and expected to vest, Aggregate Intrinsic Value	$ 5.1