Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Activity (Details)

v3.21.2
Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Activity (Details) - Unvested restricted stock units/awards
9 Months Ended
Sep. 30, 2021
$ / shares
shares
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Number of Shares [Roll Forward]  
Number of Units and Awards, Unvested Beginning Balance | shares 1,139,910
Number of Units and Awards, Granted | shares 0
Number of Units and Awards, Vested | shares (125,654)
Number of Units and Awards, Unvested Ending Balance | shares 1,014,256
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Nonvested, Weighted Average Grant Date Fair Value [Abstract]  
Weighted Average Grant Date Fair Value, Unvested Beginning Balance | $ / shares $ 5.96
Weighted Average Grant Date Fair Value, Granted | $ / shares 0
Weighted Average Grant Date Fair Value, Vested | $ / shares 4.97
Weighted Average Grant Date Fair Value, Unvested Ending Balance | $ / shares $ 6.09