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Income (Loss) Per Share - Basic and Diluted (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Income (Loss) Per Share    
Net income (loss) $ 2,494 $ (567)
Net income (loss), Diluted $ 2,494 $ (567)
Net income (loss) per common share:    
Basic (in dollars per share) $ 0.05 $ (0.01)
Diluted (in dollars per share) $ 0.05 $ (0.01)
Weighted average shares reconciliation    
Basic weighted average shares outstanding 48,624 47,811
Dilutive effect of share-based awards 1,494  
Dilutive effect of the 2027 Notes 2,932  
Diluted weighted average shares outstanding 53,050 47,811