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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
$ in Thousands
6 Months Ended 12 Months Ended
Jun. 30, 2017
Dec. 31, 2019
Dec. 31, 2018
Retirement Benefits [Abstract]      
Maximum compensation percentage   90.00%  
Age requirement for 401(k) contributions   21 years  
Employer matching contribution, percent of employees' gross pay   4.50% 4.50%
Employers matching contribution, immediate vesting percentage 100.00%   100.00%
Defined contribution plan, cost recognized   $ 85 $ 87