v3.7.0.1
EARNINGS PER SHARE (Schedule of Calculation of Basic and Diluted Loss or Earnings Per Share) (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2017
Mar. 31, 2016
Earnings Per Share [Abstract]    
Net loss $ (13,678) $ (18,427)
Basic weighted average common shares outstanding (in shares) 81,992,071 75,756,535
Add: Dilutive effect of restricted common stock (in shares) 0 0
Add: Dilutive effect of performance units (in shares) 0 0
Diluted weighted average common shares outstanding (in shares) 81,992,071 75,756,535
Loss per share:    
Basic (in dollars per share) $ (0.17) $ (0.24)
Diluted (in dollars per share) $ (0.17) $ (0.24)