STOCK-BASED COMPENSATION (Details 3) (USD $) In Thousands, except Per Share data, unless otherwise specified	12 Months Ended
Dec. 31, 2014
Stock options outstanding and stock options exercisable
Stock options outstanding (in shares)	13,066
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	3 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 19.73
Options Exercisable (in shares)	10,567
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 10.24
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)	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)	13
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	6 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 6.18
Options Exercisable (in shares)	13
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 6.18
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)	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 $13.37 - $15.60
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 13.37
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 15.60
Stock options outstanding (in shares)	111
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)	$ 13.56
Options Exercisable (in shares)	111
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 13.56
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)	1,700
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	3 years 4 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 15.86
Options Exercisable (in shares)	1,700
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 15.86
Range of Exercise Prices $15.94 - $19.20
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)	$ 19.20
Stock options outstanding (in shares)	1,307
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)	$ 17.83
Options Exercisable (in shares)	1,307
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 17.83
Range of Exercise Prices $19.23 - $53.96
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 19.23
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 53.96
Stock options outstanding (in shares)	1,700
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	7 years 1 month 6 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 41.19
Options Exercisable (in shares)	558
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 34.33
Range of Exercise Prices $55.92 - $71.05
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 55.92
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 71.05
Stock options outstanding (in shares)	1,190
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	8 years 8 months 12 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 66.22
Options Exercisable (in shares)	33
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 63.85
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)	4
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	7 years 6 months
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 74.78
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 0.00
Range of Exercise Prices $111.30 - $111.30
Stock options outstanding and stock options exercisable
Stock options, range of exercise prices, low end of range (in dollars per share)	$ 111.30
Stock options, range of exercise prices, high end of range (in dollars per share)	$ 111.30
Stock options outstanding (in shares)	196
Options Outstanding, Weighted Average Remaining Contractual Term (in years)	9 years 10 months 24 days
Options Outstanding, Weighted Average Exercise Price (in dollars per share)	$ 111.30
Options Exercisable, Weighted Average Exercise Price (in dollars per share)	$ 0.00

Weighted average exercise price as of the balance sheet date for those equity-based payment arrangements exercisable and outstanding.

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

-SubTopic 10

-Section 50

-Paragraph 2

-Subparagraph (c)(1)(iii)

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The floor of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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-Publisher FASB

-Name Accounting Standards Codification

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The number of shares reserved for issuance pertaining to the outstanding exercisable stock options as of the balance sheet date in the customized range of exercise prices for which the market and performance vesting condition has been satisfied.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

-Topic 718

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The number of shares reserved for issuance pertaining to the outstanding stock options as of the balance sheet date for all option plans in the customized range of exercise prices.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

-Publisher FASB

-Name Accounting Standards Codification

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The weighted average price as of the balance sheet date at which grantees could acquire the underlying shares with respect to all outstanding stock options which are in the customized range of exercise prices.

+ References

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-Publisher FASB

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Weighted average remaining contractual term of outstanding stock options, in 'PnYnMnDTnHnMnS' format, for example, 'P1Y5M13D' represents the reported fact of one year, five months, and thirteen days.

+ References

Reference 1: http://www.xbrl.org/2003/role/presentationRef

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The ceiling of a customized range of exercise prices for purposes of disclosing shares potentially issuable under outstanding stock option awards on all stock option plans and other required information pertaining to awards in the customized range.

+ References

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