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Stock-Based Compensation - Restricted Stock Activity (Details)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Non-vested restricted stock awards  
NUMBER OF SHARES  
Beginning balance (in shares) | shares 977,244
Granted (in shares) | shares 347,814
Vested (in shares) | shares (132,905)
Canceled (in shares) | shares (114,408)
Ending balance (in shares) | shares 1,077,745
WEIGHTED AVERAGE FAIR VALUE PER SHARE  
Beginning balance (in dollars per share) | $ / shares $ 18.32
Granted (in dollars per share) | $ / shares 8.80
Vested (in dollars per share) | $ / shares 34.07
Canceled (in dollars per share) | $ / shares 19.43
Ending balance (in dollars per share) | $ / shares $ 13.21
Non-vested restricted stock units  
NUMBER OF SHARES  
Beginning balance (in shares) | shares 156,873
Granted (in shares) | shares 1,989
Vested (in shares) | shares (7,143)
Canceled (in shares) | shares (437)
Ending balance (in shares) | shares  
WEIGHTED AVERAGE FAIR VALUE PER SHARE  
Beginning balance (in dollars per share) | $ / shares $ 14.88
Granted (in dollars per share) | $ / shares 6.88
Vested (in dollars per share) | $ / shares 7.00
Canceled (in dollars per share) | $ / shares 16.22
Ending balance (in dollars per share) | $ / shares $ 15.14