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STOCKHOLDERS' EQUITY - ADDITIONAL INFORMATION (Detail) - USD ($) | 3 Months Ended | 6 Months Ended |  |
--- | --- | --- | --- | ---
Jun. 30, 2016 | Jun. 30, 2015 | Jun. 30, 2016 | Jun. 30, 2015 | Oct. 22, 2014 | Nov. 01, 2007
Equity [Abstract] |  |  |  |  |  |
Stock repurchase program, additional authorized amount |  |  |  |  | $ 30,000,000 | $ 50,000,000
Repurchased shares | 0 | 0 | 0 | 0 |  |
Stock repurchase program, remaining available repurchase amount | $ 34,400,000 |  | $ 34,400,000 |  |  |

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- Definition Amount of stock repurchase plan authorized. + References No definition available. + Details
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