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EARNINGS PER SHARE (Tables)
6 Months Ended
Jun. 30, 2019
Earnings Per Share [Abstract]  
Basic and diluted earnings per share

Basic and diluted earnings per share attributable to common and restricted shares of common stock for the period were as follows:

 

   Three Months Ended   Six Months Ended 
   June 30,   June 30, 
   2019   2018   2019   2018 
Basic and diluted earnings per share                    
Common stock  $0.20   $0.20   $0.33   $0.35 
Restricted shares of common stock  $0.18   $0.20   $0.30   $0.37