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SHARE-BASED COMPENSATION (Schedule of Assumptions Used to Estimate Fair Value) (Details)
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12 Months Ended | |||||||||||
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Dec. 31, 2012
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Dec. 31, 2011
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Risk-free interest rate, minimum | 0.11% | [1] | 0.11% | [1] | ||||||||
| Risk-free interest rate, maximum | 2.66% | [1] | 2.66% | [1] | ||||||||
| Expected volatility, minimum | 42.04% | [2] | 39.97% | [2] | ||||||||
| Expected volatility, maximum | 48.30% | [2] | 42.04% | [2] | ||||||||
| Dividend yield | [3] | [3] | ||||||||||
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Minimum [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Expected life | 2 years | [4] | 2 years | [4] | ||||||||
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Maximum [Member]
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] | ||||||||||||
| Expected life | 5 years | [4] | 5 years | [4] | ||||||||
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