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EMPLOYEE BENEFIT PLANS (Details) - USD ($)
shares in Millions
1 Months Ended 6 Months Ended
May 31, 2021
Jun. 30, 2021
Feb. 28, 2014
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Defined contribution retirement plan, maximum employee contribution deferred   100.00%  
Discretionary match per participating employee, maximum   $ 4,000  
Employer matching contribution, percent of employees' eligible compensation   4.00%  
2014 Employee Stock Purchase Plan      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]      
Shares of common stock available for issuance (in shares)     0.2
Number of additional shares authorized 2.3    
Common stock purchase price, discount rate   15.00%  
Common stock available for sale (in shares)   2.3