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Stock-based compensation - Narrative (Detail) - USD ($)
$ / shares in Units, $ in Thousands
1 Months Ended 3 Months Ended 12 Months Ended
Nov. 04, 2021
Jan. 31, 2022
Jan. 31, 2021
Dec. 31, 2021
Sep. 30, 2021
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Jun. 30, 2021
Jun. 24, 2013
Jun. 03, 2013
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Increase in common stock available for issuance under 2013 plan (in shares)     2,700,000                
Number of shares available for issuance (in shares)       3,200,000   3,200,000          
Incremental fair value from modification $ 4,500         $ 20,300          
Stock-based compensation expense           98,740 $ 122,596 $ 131,083      
Stock-based compensation capitalized into inventory           $ 1,000 $ 500        
Unrestricted stock awards granted (in shares)           1,238,000          
Weighted average grant date fair value of options granted (in dollars per share)           $ 16.32 $ 43.24 $ 83.44      
Intrinsic value of stock options exercised           $ 5,100 $ 4,000 $ 29,000      
Subsequent Event                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Increase in common stock available for issuance under 2013 plan (in shares)   2,800,000                  
Stock options                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock-based compensation expense           54,660 75,837 79,912      
Unrecognized stock- based compensation expense related to unvested stock options, restricted stock awards and employee stock purchase plan       $ 34,200   $ 34,200          
Expected weighted-average period related to unvested stock options, restricted stock awards and employee stock purchase plan           2 years 2 months 8 days          
Restricted stock units                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock-based compensation expense           $ 30,767 $ 38,123 50,158      
Unvested restricted stock awards outstanding (in shares)       3,193,000   3,193,000 1,495,000        
Unrecognized stock- based compensation expense related to unvested stock options, restricted stock awards and employee stock purchase plan       $ 54,300   $ 54,300          
Expected weighted-average period related to unvested stock options, restricted stock awards and employee stock purchase plan           2 years 3 months 3 days          
Intrinsic value of restricted stock units vested           $ 44,000 $ 30,900 28,400      
Employee stock purchase plan and other                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common shares reserved for future issuance (in shares)                     200,000
Stock-based compensation expense           $ 13,313 $ 8,636 $ 1,013      
Increase in shares authorized (in shares)                 1,400,000    
Employee stock purchase plan and other | Maximum                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Share-based compensation arrangement by share-based payment award, shares issued in period (less than) (in shares)           100,000 100,000        
2013 Stock Option and Incentive Plan                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Common shares reserved for future issuance (in shares)                   1,000,000  
Percentage of automatic increase in shares reserved and available for issuance determined based on shares outstanding       4.00%   4.00%          
2020 Annual Incentive Program | Unrestricted Stock Awards                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Stock-based compensation expense     $ 10,600                
Unrestricted stock awards granted (in shares)     400,000                
Stock based compensation     $ 21,200                
Retention Program | Unrestricted Stock Awards                      
Share-based Compensation Arrangement by Share-based Payment Award [Line Items]                      
Unrestricted stock awards granted (in shares)       1,000,000 100,000