STOCK-BASED COMPENSATION (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
	Dec. 31, 2013
Stock options outstanding and stock options exercisable
Stock options outstanding (in shares)	12,973
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	3 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 15.70
Options Exercisable (in shares)	10,401
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 9.38
Range of Exercise Prices $2.09 - $2.09
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 2.09
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 2.09
Stock options outstanding (in shares)	43
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	1 year
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 2.09
Options Exercisable (in shares)	43
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 2.09
Range of Exercise Prices $3.29 - $3.29
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 3.29
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 3.29
Stock options outstanding (in shares)	4,400
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	1 year 2 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 3.29
Options Exercisable (in shares)	4,400
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 3.29
Range of Exercise Prices $5.72 - $6.21
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 5.72
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 6.21
Stock options outstanding (in shares)	23
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	1 year 9 months 18 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 6.11
Options Exercisable (in shares)	23
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 6.11
Range of Exercise Prices $8.44 - $8.44
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 8.44
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 8.44
Stock options outstanding (in shares)	2,445
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	1 year 10 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 8.44
Options Exercisable (in shares)	2,445
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 8.44
Range of Exercise Prices $11.36 - $15.60
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 11.36
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 15.60
Stock options outstanding (in shares)	145
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	4 years 9 months 18 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 13.43
Options Exercisable (in shares)	143
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 13.39
Range of Exercise Prices $15.86 - $15.86
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 15.86
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 15.86
Stock options outstanding (in shares)	1,777
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	4 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 15.86
Options Exercisable (in shares)	1,777
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 15.86
Range of Exercise Prices $15.94 - $17.82
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 15.94
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 17.82
Stock options outstanding (in shares)	1,381
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	5 years 10 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 17.75
Options Exercisable (in shares)	1,000
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 17.77
Range of Exercise Prices $18.07 - $47.13
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 18.07
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 47.13
Stock options outstanding (in shares)	1,796
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	7 years 3 months 18 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 33.11
Options Exercisable (in shares)	553
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 24.05
Range of Exercise Prices $47.65 - $70.54
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 47.65
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 70.54
Stock options outstanding (in shares)	956
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	9 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 56.25
Options Exercisable (in shares)	16
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 62.65
Range of Exercise Prices $74.78 - $74.78
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 74.78
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 74.78
Stock options outstanding (in shares)	7
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	8 years 6 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 74.78
Options Exercisable (in shares)	1
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 74.78