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STOCK-BASED COMPENSATION, Stock Options Activity (Details) - 2019 Equity Incentive Plan [Member] - Stock Option [Member] - USD ($)
$ / shares in Units, $ in Thousands
9 Months Ended
Sep. 30, 2020
Sep. 30, 2019
Number of Shares [Roll Forward]    
Outstanding at beginning of year (in shares) 1,462,997  
Granted (in shares) 248,966  
Exercised (in shares) (27,851) 0
Forfeited (in shares) (20,151)  
Expired (in shares) (1,263)  
Balance at end of period (in shares) 1,662,698  
Exercisable at end of period (in shares) 1,065,753  
Vested at end of period (in shares) 1,065,753  
Weighted-Average Exercise Price [Abstract]    
Outstanding at beginning of year (in dollars per share) $ 13.42  
Granted (in dollars per share) 20.96  
Exercised (in dollars per share) 10.72  
Forfeited (in dollars per share) 17.86  
Expired (in dollars per share) 16.00  
Balance at end of period (in dollars per share) 14.54  
Exercisable at end of period (in dollars per share) 12.11  
Vested at end of period (in dollars per share) $ 12.11  
Weighted Average Remaining Contractual Life in Years [Abstract]    
Options Outstanding 5 years 11 months 19 days  
Exercisable at end of period 5 years 2 months 16 days  
Vested at end of period 5 years 2 months 16 days  
Aggregate Intrinsic Value [Abstract]    
Balance at end of period $ 1,657  
Exercisable at end of period 1,657  
Vested at end of period $ 1,657