v3.19.1
EARNINGS PER SHARE (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended 12 Months Ended
Dec. 31, 2018
Sep. 30, 2018
Jun. 30, 2018
Mar. 31, 2018
Dec. 31, 2017
Sep. 30, 2017
Jun. 30, 2017
Mar. 31, 2017
Dec. 31, 2018
Dec. 31, 2017
Dec. 31, 2016
Calculation of basic and diluted earnings per share                      
Net Income (Loss) $ 7,634 $ 3,350 $ (958) $ 1,757 $ (1,636) $ (1,445) $ (5,819) $ (13,667) $ 11,783 $ (22,567) $ (64,183)
Basic weighted average common shares outstanding                 128,071,000 115,709,000 75,819,000
Add: Dilutive effect restricted common stock                 1,982,000    
Add: Dilutive effect of stock options oustanding                 933,000    
Diluted weighted average common shares outstanding                 130,986,000 115,708,859 75,818,735
Earnings per share:                      
Basic                 $ 0.09 $ (0.20) $ (0.85)
Diluted                 $ 0.09 $ (0.20) $ (0.85)
Restricted Shares [Member]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Antidilutive shares                 0 3,328,000 993,000
Stock Options [Member]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Antidilutive shares                 1,452,000 1,711,000 469,000
Performance Shares [Member]                      
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]                      
Antidilutive shares                 0 63,000 127,000