STOCK-BASED COMPENSATION (Detail Textuals 1) - $ / shares
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12 Months Ended |
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Dec. 31, 2016 |
Dec. 31, 2015 |
Dec. 31, 2014 |
Dec. 31, 2013 |
| Stock Options | Exercise Price $16.00 - $38.10 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Lower exercise price range |
$ 16.00
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| Upper exercise price range |
38.10
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| Stock Options | Exercise Price $16.00 - $20.00 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Lower exercise price range |
16.00
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| Upper exercise price range |
$ 20.00
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| Options Outstanding |
301,953
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| Stock Options | Exercise Price $20.01 - $25.00 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Lower exercise price range |
$ 20.01
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| Upper exercise price range |
$ 25.00
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| Options Outstanding |
252,989
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| Stock Options | Exercise Price $25.01 - $30.00 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Lower exercise price range |
$ 25.01
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| Upper exercise price range |
$ 30.00
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| Options Outstanding |
160,211
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| Stock Options | Exercise Price $30.01 - $38.10 |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Lower exercise price range |
$ 30.01
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| Upper exercise price range |
$ 38.10
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| Options Outstanding |
206,873
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| Stock Incentive Plan |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Weighted average remaining contractual life option exercisable |
5 years
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| Stock Incentive Plan | Stock Options |
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| Share-based Compensation Arrangement by Share-based Payment Award [Line Items] |
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| Options Outstanding |
922,026
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746,004
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967,859
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793,157
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| Weighted average exercise price of stock options exercisable |
$ 19.97
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$ 19.09
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$ 18.24
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$ 18.25
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