Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY

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CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings
Balance (in shares) at Dec. 31, 2019   100,624    
Balance at Dec. 31, 2019 $ 969,305 $ 101 $ 826,629 $ 142,575
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 471   471  
Issuance of equity awards, net (in shares)   154    
Issuance of equity awards, net 0   0  
Tax withholdings paid for net settlement of equity awards (456)   (456)  
Net income (loss) (7,804)     (7,804)
Balance (in shares) at Mar. 31, 2020   100,778    
Balance at Mar. 31, 2020 961,516 $ 101 826,644 134,771
Balance (in shares) at Dec. 31, 2020   100,913    
Balance at Dec. 31, 2020 870,771 $ 101 835,115 35,555
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 2,487   2,487  
Issuance of equity awards, net (in shares)   1,145    
Issuance of equity awards, net 0 $ 1 (1)  
Tax withholdings paid for net settlement of equity awards (5,614)   (5,614)  
Net income (loss) (20,375)     (20,375)
Balance (in shares) at Mar. 31, 2021   102,058    
Balance at Mar. 31, 2021 $ 847,269 $ 102 $ 831,987 $ 15,180