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Stock Incentive Plans - Stock Awards Activity (Details)
 9 Months Ended
Sep. 30, 2022
$ / shares
shares
Unvested restricted common stock  
Number of Shares  
Beginning balance (in shares) | shares 1,443,295
Granted (in shares) | shares 438,070
Vested (in shares) | shares (265,965)
Forfeited (in shares) | shares (250,261)
Ending balance (in shares) | shares 1,365,139
Weighted- Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 9.46
Granted (in dollars per share) | $ / shares 9.55
Vested (in dollars per share) | $ / shares 9.54
Forfeited (in dollars per share) | $ / shares 9.43
Ending balance (in dollars per share) | $ / shares $ 9.48
Shares related to unvested PSUs  
Number of Shares  
Beginning balance (in shares) | shares 969,240
Granted (in shares) | shares 407,570
Vested (in shares) | shares (269,224)
Forfeited (in shares) | shares (160,533)
Ending balance (in shares) | shares 947,053
Weighted- Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 9.45
Granted (in dollars per share) | $ / shares 9.66
Vested (in dollars per share) | $ / shares 10.14
Forfeited (in dollars per share) | $ / shares 9.34
Ending balance (in dollars per share) | $ / shares $ 9.36
Vesting percentage (as a percent) 100.00%
Long-term Incentive Plan Unit  
Number of Shares  
Beginning balance (in shares) | shares 135,388
Granted (in shares) | shares 71,084
Vested (in shares) | shares (108,422)
Ending balance (in shares) | shares 98,050
Weighted- Average Grant Date Fair Value  
Beginning balance (in dollars per share) | $ / shares $ 10.22
Granted (in dollars per share) | $ / shares 9.32
Vested (in dollars per share) | $ / shares 10.38
Ending balance (in dollars per share) | $ / shares $ 9.39