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EMPLOYEE STOCK COMPENSATION - Nonvested Stock Option Activity (Detail) - $ / shares
 3 Months Ended 6 Months Ended
Jun. 30, 2016
Jun. 30, 2016
Number of Shares    
Non-vested outstanding at beginning of period (in shares) 600,016 566,266
Granted (in shares) 240,000 320,000
Vested (in shares) (113,995) (130,245)
Forfeited (in shares) (83,743) (113,743)
Non-vested outstanding at end of period (in shares) 642,278 642,278
Weighted- Average Exercise Price per Share    
Non-vested outstanding at beginning of period (in dollars per share) $ 13.29 $ 12.99
Granted (in dollars per share) 17.50 16.78
Vested (in dollars per share) 13.00 12.95
Forfeited (in dollars per share) 14.33 13.55
Non-vested outstanding at end of period (in dollars per share) $ 14.78 $ 14.78