Quarterly report pursuant to Section 13 or 15(d)

CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY

v3.20.1
CONDENSED CONSOLIDATED STATEMENT OF SHAREHOLDERS' EQUITY - USD ($)
shares in Thousands, $ in Thousands
Total
Common Stock
Additional Paid-In Capital
Retained Earnings (Accumulated Deficit)
Balance (in shares) at Dec. 31, 2017   83,040    
Balance at Dec. 31, 2017 $ 413,252 $ 83 $ 607,466 $ (194,297)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 758   758  
Issuance of equity awards, net (in shares)   372    
Net income 36,708     36,708
Balance (in shares) at Mar. 31, 2018   83,412    
Balance at Mar. 31, 2018 450,718 $ 83 608,224 (157,589)
Balance (in shares) at Dec. 31, 2017   83,040    
Balance at Dec. 31, 2017 413,252 $ 83 607,466 (194,297)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 122,084      
Balance (in shares) at Sep. 30, 2018   83,544    
Balance at Sep. 30, 2018 539,219 $ 84 611,348 (72,213)
Balance (in shares) at Mar. 31, 2018   83,412    
Balance at Mar. 31, 2018 450,718 $ 83 608,224 (157,589)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 1,443   1,443  
Issuance of equity awards, net (in shares)   132    
Issuance of equity awards, net 51 $ 1 50  
Net income 39,091     39,091
Balance (in shares) at Jun. 30, 2018   83,544    
Balance at Jun. 30, 2018 491,303 $ 84 609,717 (118,498)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 1,631   1,631  
Issuance of equity awards, net (in shares)   0    
Issuance of equity awards, net 0 $ 0 0  
Net income 46,285     46,285
Balance (in shares) at Sep. 30, 2018   83,544    
Balance at Sep. 30, 2018 539,219 $ 84 611,348 (72,213)
Balance (in shares) at Dec. 31, 2018   100,190    
Balance at Dec. 31, 2018 797,355 $ 100 817,690 (20,435)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 1,829   1,829  
Issuance of equity awards, net (in shares)   104    
Issuance of equity awards, net 552 $ 0 552  
Net income 69,805     69,805
Balance (in shares) at Mar. 31, 2019   100,294    
Balance at Mar. 31, 2019 869,541 $ 100 820,071 49,370
Balance (in shares) at Dec. 31, 2018   100,190    
Balance at Dec. 31, 2018 797,355 $ 100 817,690 (20,435)
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Net income 140,335      
Balance (in shares) at Sep. 30, 2019   100,617    
Balance at Sep. 30, 2019 944,100 $ 101 824,099 119,900
Balance (in shares) at Mar. 31, 2019   100,294    
Balance at Mar. 31, 2019 869,541 $ 100 820,071 49,370
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 2,840   2,840  
Issuance of equity awards, net (in shares)   257    
Issuance of equity awards, net 523 $ 1 522  
Net income 36,133     36,133
Balance (in shares) at Jun. 30, 2019   100,551    
Balance at Jun. 30, 2019 909,037 $ 101 823,433 85,503
Increase (Decrease) in Stockholders' Equity [Roll Forward]        
Stock-based compensation cost 577   577  
Issuance of equity awards, net (in shares)   66    
Issuance of equity awards, net 89 $ 0 89  
Net income 34,397     34,397
Balance (in shares) at Sep. 30, 2019   100,617    
Balance at Sep. 30, 2019 $ 944,100 $ 101 $ 824,099 $ 119,900