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CONSOLIDATED STATEMENT OF STOCKHOLDERS' EQUITY - USD ($)
$ in Thousands
Total
Cumulative Effect, Period of Adoption, Adjustment
Common Stock
Additional paid-in capital
Accumulated other comprehensive income (loss)
Retain earnings (accumulated deficit)
Retain earnings (accumulated deficit)
Cumulative Effect, Period of Adoption, Adjustment
Balance at beginning of period (shares) at Dec. 31, 2018     20,766,000        
Balance at beginning of period at Dec. 31, 2018 $ 560,914   $ 21 $ 791,114 $ (1,024) $ (229,197)  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock under employee stock compensation plans, net (shares)     180,000        
Issuance of common stock under employee stock compensation plans, net (1,421)     (1,421)      
Share-based compensation $ 24,515     24,515      
Repurchase of common stock (shares) (4,122,133)   (4,122,000)        
Repurchase of common stock $ (448,433)   $ (4) (448,429)      
Unrealized net gain (loss) on available-for-sale securities, net of deferred tax 200       200    
Foreign currency translation adjustment $ 608       608    
Accounting Standards Update [Extensible List] Accounting Standards Update 2016-13            
Other tax adjustments $ 1,547     1,547      
Net income (loss) 629,302         629,302  
Balance at end of period (shares) at Dec. 31, 2019     16,824,000        
Balance at end of period at Dec. 31, 2019 767,232 $ (5,168) $ 17 367,326 (216) 400,105 $ (5,168)
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock under employee stock compensation plans, net (shares)     190,000        
Issuance of common stock under employee stock compensation plans, net 1,535     1,535      
Share-based compensation $ 30,727     30,727      
Repurchase of common stock (shares) (934,079)   (934,000)        
Repurchase of common stock $ (77,998)   $ (1) (77,997)      
Unrealized net gain (loss) on available-for-sale securities, net of deferred tax (162)       (162)    
Foreign currency translation adjustment (423)       (423)    
Reacquisition of equity due to 2023 debt extinguishment, net of tax (3,236)     (3,236)      
Other tax adjustments 3     3      
Net income (loss) (2,985)         (2,985)  
Balance at end of period (shares) at Dec. 31, 2020     16,080,000        
Balance at end of period at Dec. 31, 2020 709,525   $ 16 318,358 (801) 391,952  
Increase (Decrease) in Stockholders' Equity [Roll Forward]              
Issuance of common stock under employee stock compensation plans, net (shares)     687,000        
Issuance of common stock under employee stock compensation plans, net 27,745   $ 1 27,744      
Share-based compensation 38,783     38,783      
Repurchase of common stock 0            
Unrealized net gain (loss) on available-for-sale securities, net of deferred tax (116)       (116)    
Foreign currency translation adjustment 0            
Reacquisition of equity due to 2023 debt extinguishment, net of tax (12,407)     (12,407)      
Warrant and bond hedge unwind transactions 491     491      
Net income (loss) 57,138         57,138  
Balance at end of period (shares) at Dec. 31, 2021     16,767,000        
Balance at end of period at Dec. 31, 2021 $ 821,159   $ 17 $ 372,969 $ (917) $ 449,090