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Stock Incentive Plans - Restricted Stock Units (Details) - Restricted Stock Units (RSUs)
3 Months Ended
Mar. 31, 2022
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Unvested at beginning of period (in shares) | shares 394,450
Grants in period (in shares) | shares 813,200
Vested in period (in shares) | shares (89,142)
Unvested at end of period (in shares) | shares 1,118,508
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Unvested at beginning of period (in dollars per share) | $ / shares $ 3.45
Grants in period (in dollars per share) | $ / shares 3.31
Vested in period (in dollars per share) | $ / shares 3.36
Unvested at end of period (in dollars per share) | $ / shares $ 3.36