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SHARE BASED COMPENSATION (Summary of Activity for Company's Restricted Stock) (Detail) - $ / shares
6 Months Ended
Jun. 30, 2019
Jun. 30, 2018
Weighted Average Grant-Date Fair Value    
Granted $ 0 $ 11.73
Restricted Stock    
Number of Shares    
Restricted stock beginning balance 203,603  
Granted 96,191  
Vested (69,842)  
Forfeited (6,673)  
Restricted stock ending balance 223,279  
Weighted Average Grant-Date Fair Value    
Restricted stock beginning balance $ 35.14  
Granted 33.27  
Vested 31.55  
Forfeited 33.16  
Restricted stock ending balance $ 35.52