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EMPLOYEE BENEFIT PLANS - Additional Information (Details) - USD ($)
$ in Thousands
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]      
Employee contribution on compensation, maximum (percent) 100.00%    
Employer contribution match on compensation (percent) 100.00%    
Percentage of employees' annual contribution, eligible for employers match (percent) 4.00%    
401(k) plan expense $ 2,100 $ 2,100 $ 3,100
Restricted Stock | 2013 Omnibus Stock Incentive Plan      
Employee Stock Ownership Plan (ESOP) Disclosures [Line Items]      
Award vesting period 5 years    
Restricted stock awards issued under Employee Equity Ownership Plan   72,561 35,016
Unvested restricted stock awards (in shares) 36,588    
Unrecognized stock-based compensation expense $ 691