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SHAREHOLDERS' EQUITY - Narrative (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Jun. 21, 2019
May 31, 2019
Mar. 22, 2019
Mar. 12, 2019
Jun. 15, 2018
May 18, 2018
Mar. 31, 2019
Jun. 30, 2019
Dec. 31, 2018
Common Stock                  
Repurchase of common stock         $ 6,600 $ 16,000      
Treasury Stock, Shares, Acquired             4,039    
Common stock, par value (in dollars per share)           $ 0.0001   $ 0.0001 $ 0.0001
Common stock price (in dollars per share)         $ 21.00        
Purchased shares         316,659        
Common stock, shares outstanding (in shares)               2,392,847 2,381,149
Dividends [Abstract]                  
Dividend payable per share (in dollars per share)   $ 0.125   $ 0.125          
Dividends paid $ 300   $ 300            
Maximum                  
Common Stock                  
Common stock price (in dollars per share)           21.00      
Minimum                  
Common Stock                  
Common stock price (in dollars per share)           $ 18.50