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Stockholders’ Equity and Stock-Based Compensation - RSU Activity (Details) - (RSUs) - USD ($)
$ / shares in Units, shares in Thousands, $ in Thousands
3 Months Ended 12 Months Ended
Mar. 31, 2022
Dec. 31, 2021
Number of Shares    
Unvested beginning balance (in shares) 7,821  
Shares granted (in shares) 758  
RSUs vested (in shares) (742)  
RSUs forfeited/canceled (in shares) (108)  
Unvested ending balance (in shares) 7,729 7,821
Weighted- Average Grant Date Fair Value Per Share    
Unvested beginning balance (in dollars per share) $ 70.98  
RSUs granted (in dollars per share) 107.79  
Vested (in dollars per share) 64.21  
RSUs forfeited/canceled (in dollars per share) 70.81  
Unvested ending balance (in dollars per share) $ 75.24 $ 70.98
Unvested, weighted average remaining contractual term (in years) 1 year 7 months 6 days 1 year 8 months 12 days
Unvested, aggregate intrinsic value $ 1,074,204 $ 1,124,229