Net Loss per Share - Schedule of Anti-Dilutive Weighted Average Shares Excluded From Net Loss Per Share Diluted Shares Calculation (Details) - shares shares in Thousands	3 Months Ended		9 Months Ended
	Sep. 30, 2021	Sep. 30, 2020	Sep. 30, 2021	Sep. 30, 2020
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average shares excluded from the calculation of net loss per diluted share	1,746	1,426	1,626	479
Restricted Stock Awards
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average shares excluded from the calculation of net loss per diluted share	1,097	1,426	1,190	479
Outstanding Stock Options
Antidilutive Securities Excluded From Computation Of Earnings Per Share [Line Items]
Weighted average shares excluded from the calculation of net loss per diluted share	649		436