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Consolidated Statements of Shareholders' Equity - USD ($)
shares in Thousands, $ in Thousands
Total
Common stock
Additional Paid-in Capital
Accumulated Deficit
Beginning balance (in shares) at Dec. 31, 2019   27,879    
Beginning balance at Dec. 31, 2019 $ 289,744 $ 279 $ 461,643 $ (172,178)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of stock on options exercised and restricted stock units vested (in shares)   330    
Issuance of stock on options exercised and restricted stock units vested $ 3 $ 3    
Repurchases of common stock (in shares) (50) (50)    
Repurchases of common stock $ (950)     (950)
Share-based compensation 9,525   9,525  
Tax benefit from share-based compensation (449)   (449)  
Net income (loss) (136,611)     (136,611)
Ending balance (in shares) at Dec. 31, 2020   28,159    
Ending balance at Dec. 31, 2020 161,262 $ 282 470,719 (309,739)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of stock on options exercised and restricted stock units vested (in shares)   898    
Issuance of stock on options exercised and restricted stock units vested $ 107 $ 9 98  
Repurchases of common stock (in shares) (227) (227)    
Repurchases of common stock $ (10,616) $ (3)   (10,613)
Share-based compensation 13,844   13,844  
Tax benefit from share-based compensation (6,832)   (6,832)  
Net income (loss) $ 161,776     161,776
Ending balance (in shares) at Dec. 31, 2021 28,830 28,830    
Ending balance at Dec. 31, 2021 $ 319,541 $ 288 477,829 (158,576)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Issuance of stock on options exercised and restricted stock units vested (in shares)   462    
Issuance of stock on options exercised and restricted stock units vested $ 35 $ 4 31  
Repurchases of common stock (in shares) (1,113) (1,113)    
Repurchases of common stock $ (51,202) $ (10)   (51,192)
Share-based compensation 12,880   12,880  
Tax benefit from share-based compensation (10,680)   (10,680)  
Net income (loss) $ 82,346     82,346
Ending balance (in shares) at Dec. 31, 2022 28,179 28,179    
Ending balance at Dec. 31, 2022 $ 352,920 $ 282 $ 480,060 $ (127,422)