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EMPLOYEE COMPENSATION PLANS (OPTIONS ROLLFORWARD TABLE) (DETAILS) $ / shares in Units, $ in Thousands |  | 12 Months Ended
--- | --- | ---
Dec. 31, 2017 USD ($) $ / shares shares | Dec. 31, 2017 USD ($) $ / shares shares
Stock Option Rollforward by Shares |  |
Outstanding as of December 31, 2016, shares | shares |  | 191,666
Exercises, shares | shares |  | (60,000)
Post-vest cancellations/expirations, shares | shares |  | (16,666)
Outstanding as of December 31, 2017, shares | shares | 115,000 | 115,000
Vested and exercisable as of December 31, 2017, shares | shares | 15,000 | 15,000
Stock Option Rollforward by Weighted Average Exercise Price |  |
Outstanding as of December 31, 2016, weighted average exercise price | $ / shares |  | $ 22.83
Exercises, weighted average exercise price | $ / shares |  | 35.81
Post-vest cancellations/expirations, weighted average exercise price | $ / shares |  | 17.31
Outstanding as of December 31, 2017, weighted average exercise price | $ / shares | $ 16.86 | 16.86
Vested and exercisable as of December 31, 2017, weighted average exercise price | $ / shares | $ 13.87 | $ 13.87
Weighted Average Contract Term In Years [Abstract] |  |
Outstanding as of December 31, 2017, weighted average remaining contract term in years | 3 years 5 months 16 days |
Vested and exercisable as of December 31, 2017, weighted average remaining contract term in years | 8 months 16 days |
Aggregate Intrinsic Value [Abstract] |  |
Intrinsic Value of Options Exercised | $ |  | $ 194
Vested and exercisable as of December 31, 2017, aggregate intrinsic value | $ | $ 396 | $ 396

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