Net Loss Per Share - Schedule of Potentially Dilutive Instruments (Details) - shares shares in Thousands	12 Months Ended
	Dec. 31, 2020	Dec. 31, 2019
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares (in shares)	98,925	2,747
Series A Preferred Stock
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares (in shares)	96,407	0
Warrants
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares (in shares)	2,067	2,067
Unvested restricted stock units
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares (in shares)	257	374
Stock options
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]
Number of anti-dilutive shares (in shares)	194	306