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Earnings (Loss) Per Share (Details) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
 3 Months Ended 9 Months Ended
Sep. 30, 2021
Sep. 30, 2020
Sep. 30, 2021
Sep. 30, 2020
Earnings Per Share [Abstract]        
Net income (loss) $ 14,948 $ 6,850 $ 38,098 $ (14,623)
Basic-weighted average shares outstanding (in shares) 29,179 28,583 29,097 28,529
Effect of dilutive potential securities (in shares) 2,964 843 2,923 0
Diluted- weighted average shares outstanding (in shares) 32,143 29,426 32,020 28,529
Basic (in dollars per share) $ 0.51 $ 0.24 $ 1.31 $ (0.51)
Diluted (in dollars per share) $ 0.47 $ 0.23 $ 1.19 $ (0.51)
Antidilutive securities excluded from computation of earnings per share (in shares) 700 1,600 500  
Incremental Common Shares Attributable to Dilutive Effect of Conversion of Debt Securities 1,200   1,200  
Incremental Common Shares Attributable to Dilutive Effect of Warrants 500   400