Quarterly report pursuant to Section 13 or 15(d)

Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Unrecognized Share-based Compensation Expense (Details)

v3.21.1
Stockholders' Equity - Restricted Stock Units and Restricted Stock Awards - Unrecognized Share-based Compensation Expense (Details) - Unvested restricted stock units/awards
$ in Millions
3 Months Ended
Mar. 31, 2021
USD ($)
shares
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized [Abstract]  
Employee Service Share-based Compensation, Nonvested Awards, Compensation Not yet Recognized, Share-based Awards Other than Options | $ $ 0.3
Employee Service Share-based Compensation, Nonvested Awards, Compensation Cost Not yet Recognized, Period for Recognition 1 year
Share-based Compensation Arrangement by Share-based Payment Award, Equity Instruments Other than Options, Vested Upon Performance | shares 487,586