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EMPLOYEE BENEFIT PLANS - Summary of Information about Non Vested Stock Options (Detail)
shares in Thousands
12 Months Ended
Dec. 31, 2015
$ / shares
shares
Summary Of Information About Non Vested Stock Options Disclosure [Line Items]  
Outstanding, beginning | shares 216
Granted | shares 315
Vested | shares (146)
Forfeited | shares (1)
Outstanding, ending | shares 384
Outstanding beginning, Weighted Average Fair Value | $ / shares $ 3.30
Granted, Weighted Average Fair Value | $ / shares 2.01
Vested, Weighted Average Fair Value | $ / shares 3.70
Forfeited, Weighted Average Fair Value | $ / shares 2.69
Outstanding ending, Weighted Average Fair Value | $ / shares $ 1.85