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EQUITY-BASED COMPENSATION - Summary of stock option and SAR activity (Details 1) (Stock Option And Stock Appreciation Rights, USD $)
In Thousands, except Per Share data, unless otherwise specified |
12 Months Ended | ||
|---|---|---|---|
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Dec. 31, 2013
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Dec. 31, 2012
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Dec. 31, 2011
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Stock Option And Stock Appreciation Rights
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| Shares | |||
| Outstanding, January 1, 2013 | 1,662 | ||
| Granted | 478 | ||
| Exercised | (433) | (638) | (205) |
| Forfeited or expired | (270) | ||
| Outstanding, at December 31, 2013 | 1,437 | 1,662 | |
| Exercisable at December 31, 2013 | 722 | ||
| Weighted Average Exercise Price | |||
| Outstanding, January 1, 2013 | $ 6.37 | ||
| Granted | $ 11.19 | ||
| Exercised | $ 5.90 | ||
| Forfeited or expired | $ 8.32 | ||
| Outstanding, at December 31, 2013 | $ 7.77 | $ 6.37 | |
| Exercisable at December 31, 2013 | $ 6.86 | ||