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EMPLOYEE STOCK COMPENSATION - Nonvested Stock Option Activity (Detail)
 3 Months Ended
Mar. 31, 2016
$ / shares
shares
Number of Shares  
Non-vested outstanding at beginning of period (in shares) | shares 566,266
Granted (in shares) | shares 80,000
Vested (in shares) | shares (16,250)
Forfeited (in shares) | shares (30,000)
Non-vested outstanding at end of period (in shares) | shares 600,016
Weighted- Average Exercise Price per Share  
Non-vested outstanding at beginning of period (in usd per share) | $ / shares $ 12.99
Granted (in usd per share) | $ / shares 14.62
Vested (in usd per share) | $ / shares 12.61
Forfeited (in usd per share) | $ / shares 11.36
Non-vested outstanding at end of period (in usd per share) | $ / shares $ 13.29