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CONVERTIBLE SENIOR NOTES (Tables) | 12 Months Ended
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Dec. 31, 2013
CONVERTIBLE SENIOR NOTES [Abstract] |
Schedule of carrying amounts of the liability and equity components of the convertible notes | The following tables provide additional information about the Company’s 2010 Notes.
|  | December 31, 2013 |  |  | December 31,2012 |
Carrying amount of the equity component (additional paid-in capital) |  | $ | 24,375 |  |  | $ | 24,375 |
Principal amount of the 2010 Notes |  |  | 125,000 |  |  |  | 125,000 |
Unamortized discount of the liability component |  |  | 9,119 |  |  |  | 14,082 |
Net carrying amount of the liability component |  |  | 115,881 |  |  |  | 110,918 |
Schedule of effective interest rate, cash and non-cash interest expense and deferred financing cost amortization |
|  | Years Ended December 31, |
|  | 2013 |  |  | 2012 |  |  | 2011 |
Effective interest rate on liability component |  |  | 10.0 | % |  |  | 10.0 | % |  |  | 10.0 | %
Cash interest expense recognized |  | $ | 6,250 |  |  | $ | 6,263 |  |  | $ | 6,231 |
Non-cash interest expense recognized |  |  | 4,963 |  |  |  | 4,537 |  |  |  | 4,072 |
Non-cash deferred financing amortization costs included in interest expense |  |  | 720 |  |  |  | 722 |  |  |  | 720 |

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- Definition Tabular disclosure of the details of the effective interest rate, interest expense and discount amortization related to convertible notes of the entity as well as deferred financing cost amortization. + References No definition available. + Details
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- Definition Tabular disclosure of information about the debt and equity components of convertible debt instruments. + References No definition available. + Details
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