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DEFINED CONTRIBUTION PLAN (Details) - USD ($)
12 Months Ended
Dec. 31, 2016
Dec. 31, 2015
Dec. 31, 2014
Defined Contribution Pension and Other Postretirement Plans Disclosure [Abstract]      
Defined Contribution Plan, Employer Matching Contribution, Percent of Match 50.00%    
Defined Contribution Plan, Employer Matching Contribution, Percent of Employees' Gross Pay Eligible for Matching Contribution (maximum) 10.00%    
Defined contribution expense $ 675,000 $ 585,000 $ 457,000