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Employee Stock Plans - Schedule of Restricted Stock Units and Awards Activity (Details) - Restricted Stock Units and Awards
shares in Thousands
3 Months Ended
Mar. 31, 2021
$ / shares
shares
Restricted Stock Units and Awards Activity  
Outstanding at beginning of period (in shares) | shares 461
Granted (in shares) | shares 140
Exercised or released (in shares) | shares (99)
Expired or canceled (in shares) | shares 0
Outstanding at end of period (in shares) | shares 502
Restricted Stock Units and Awards Weighted Average Grant Date Fair Value  
Outstanding at beginning of period (in dollars per share) | $ / shares $ 21.03
Granted (in dollars per share) | $ / shares 27.56
Exercised or released (in dollars per share) | $ / shares 22.38
Expired or canceled (in dollars per share) | $ / shares 0
Outstanding at end of period (in dollars per share) | $ / shares $ 22.58