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EMPLOYEE STOCK COMPENSATION - Nonvested Stock Option Activity (Detail) - $ / shares | 3 Months Ended | 9 Months Ended
--- | --- | ---
Sep. 30, 2017 | Sep. 30, 2017
Number of Shares |  |
Non-vested outstanding at beginning of period (in shares) | 265,730 | 518,936
Vested (in shares) | (17,627) | (174,833)
Forfeited (in shares) | (46,671) | (142,671)
Non-vested outstanding at end of period (in shares) | 201,432 | 201,432
Weighted- Average Exercise Price per Share |  |
Non-vested outstanding at beginning of period (in dollars per share) | $ 14.65 | $ 15.04
Vested (in dollars per share) | 13.03 | 14.10
Forfeited (in dollars per share) | 12.41 | 15.84
Non-vested outstanding at end of period (in dollars per share) | $ 15.31 | $ 15.31

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- Definition Share-based Compensation Arrangement by Share-based Payment Award, Options, Nonvested, Forfeited in Period, Weighted Average Exercise Price + References No definition available. + Details
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