SHARE-BASED COMPENSATION - Non-vested Options (Details) - Stock Option Plans - Stock Options - $ / shares |
12 Months Ended | ||
|---|---|---|---|
Dec. 31, 2018 |
Dec. 31, 2017 |
Dec. 31, 2016 |
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| Shares | |||
| Non-vested, beginning of period (in shares) | 325,000 | ||
| Granted (in shares) | 0 | ||
| Forfeited (in shares) | (200,000) | ||
| Vested (in shares) | (125,000) | ||
| Non-vested, end of period (in shares) | 0 | 325,000 | |
| Weighted Average Grant-Date Fair Value Per Share | |||
| Non-vested, at beginning of period (in dollars per share) | $ 6.81 | ||
| Granted (in dollars per share) | 0 | $ 0 | $ 0 |
| Forfeited (in dollars per share) | 3.40 | ||
| Vested (in dollars per share) | 12.26 | ||
| Non-vested, end of period (in dollars per share) | $ 0.00 | $ 6.81 | |
| X | ||||||||||
- Definition Gross number of share options (or share units) granted during the period. No definition available.
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| X | ||||||||||
- Definition The weighted average grant-date fair value of options granted during the reporting period as calculated by applying the disclosed option pricing methodology. Reference 1: http://fasb.org/us-gaap/role/ref/legacyRef
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| X | ||||||||||
- Definition Number of non-vested options outstanding. No definition available.
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| X | ||||||||||
- Definition A roll forward is a reconciliation of a concept from the beginning of a period to the end of a period. No definition available.
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| X | ||||||||||
- Definition Number of non-vested options forfeited. No definition available.
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| X | ||||||||||
- Definition Weighted average grant-date fair value of non-vested options forfeited. No definition available.
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| X | ||||||||||
- Definition Weighted average grant-date fair value of non-vested options outstanding. No definition available.
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| X | ||||||||||
- References No definition available.
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| X | ||||||||||
- Definition Number of options vested. No definition available.
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| X | ||||||||||
- Definition Weighted average grant-date fair value of options vested. No definition available.
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| X | ||||||||||
- Details
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- Details
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