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Stockholders' Equity - PRSU and RSU activity (Details) - PRSU and RSU
 6 Months Ended
Jun. 30, 2022
$ / shares
shares
Number of Units  
Unvested balances at beginning of period (in shares) | shares 1,443,284
Granted (in shares) | shares 1,366,275
Awards vested (in shares) | shares (563,899)
Forfeited (in shares) | shares (259,450)
Unvested balances at end of period (in shares) | shares 1,986,210
Weighted-Average Grant Date Fair Value  
Unvested balances at beginning of period (in dollars per share) | $ / shares $ 45.77
Granted (in dollars per share) | $ / shares 22.90
Vested (in dollars per share) | $ / shares 41.40
Forfeited (in dollars per share) | $ / shares 46.29
Unvested balances at end of period (in dollars per share) | $ / shares $ 31.21