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Stockholders' Equity - Summary of Nonvested Shares (Details)
$ / shares in Units, shares in Thousands, $ in Thousands
 6 Months Ended
Jun. 30, 2022
USD ($)
$ / shares
shares
Restricted Stock Units (RSUs)  
Number of Shares Underlying RSUs  
Unvested, beginning of period (in shares) | shares 492
Granted (in shares) | shares 232
Vested and released (in shares) | shares (189)
Forfeited (in shares) | shares (22)
Unvested, end of period (in shares) | shares 513
Weighted Average Grant Date Fair Value  
Unvested, beginning of period (in usd per share) | $ / shares $ 369.17
Granted (in usd per share) | $ / shares 485.01
Vested and released (in usd per share) | $ / shares 333.28
Forfeited (in usd per share) | $ / shares 429.13
Unvested, end of period (in usd per share) | $ / shares $ 432.28
Weighted Average Remaining Contractual Term (in years)  
Weighted average remaining contractual term 1 year 7 months 6 days
Aggregate Intrinsic Value  
Aggregate intrinsic value | $ $ 121,475
Market Performance Based Restricted Stock Units  
Number of Shares Underlying RSUs  
Unvested, beginning of period (in shares) | shares 174
Granted (in shares) | shares 101
Vested and released (in shares) | shares (128)
Forfeited (in shares) | shares (3)
Unvested, end of period (in shares) | shares 144
Weighted Average Grant Date Fair Value  
Unvested, beginning of period (in usd per share) | $ / shares $ 551.57
Granted (in usd per share) | $ / shares 607.96
Vested and released (in usd per share) | $ / shares 396.10
Forfeited (in usd per share) | $ / shares 744.39
Unvested, end of period (in usd per share) | $ / shares $ 725.73
Weighted Average Remaining Contractual Term (in years)  
Weighted average remaining contractual term 1 year 6 months
Aggregate Intrinsic Value  
Aggregate intrinsic value | $ $ 34,097