v3.22.0.1
Stockholders' Equity - RSU Award Activity (Details) - Restricted Stock Units (RSUs) - $ / shares
shares in Thousands
12 Months Ended
Dec. 31, 2021
Dec. 31, 2020
Dec. 31, 2019
Number of Shares      
Unvested at beginning of period (in shares) 96,733    
Granted (in shares) 59,127    
Vested (in shares) (44,574)    
Forfeited (in shares) (12,438)    
Unvested at end of period (in shares) 98,848 96,733  
Weighted-Average Grant Date Fair Value Per Share      
Unvested at beginning of period (in dollars per share) $ 181.88    
Granted (in dollars per share) 305.40 $ 188.73 $ 173.66
Vested (in dollars per share) 198.95    
Forfeited (in dollars per share) 211.58    
Unvested at end of period (in dollars per share) $ 244.32 $ 181.88