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EMPLOYEE STOCK COMPENSATION - Summary of Stock Options (Detail) - USD ($)
$ / shares in Units, $ in Thousands
12 Months Ended
Dec. 31, 2015
Dec. 31, 2014
Dec. 31, 2013
Disclosure of Compensation Related Costs, Share-based Payments [Abstract]      
Granted date fair value of options granted $ 729 $ 781 $ 1,399
Fair value of options vested 481 346 1,090
Total intrinsic value of options exercised 75 110 104
Cash received from options exercised $ 501 $ 993 $ 0
Weighted-average estimated fair value per share of options granted $ 3.76 $ 3.38 $ 3.52