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Net Loss Per Common Share - Diluted Net Loss Per Common Share (Details) - USD ($)
$ / shares in Units, $ in Thousands
3 Months Ended
Mar. 31, 2021
Mar. 31, 2020
Computation of basic and diluted net loss per share [Abstract]    
Net loss available to common stockholders $ (9,850) $ (4,821)
Dividends on Series B Convertible Preferred Stock $ 1,468 $ 0
Weighted average shares outstanding (in shares) 109,401,383 107,538,509
Weighted average shares outstanding adjusted for potential common shares 109,401,383 107,538,509
Diluted net (loss) income per common share (in dollars per share) $ (0.09) $ (0.04)
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 30,470,089 2,706,804
Series B Convertible Preferred Stock    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 26,497,570 0
Restricted stock awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 1,629,273 1,769,847
Restricted Stock Unit Awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 1,349,898 0
Outstanding Stock Options    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 964,640 919,555
Performance Based Awards    
Antidilutive Securities Excluded from Computation of Earnings Per Share [Line Items]    
Antidilutive securities excluded from computation of earnings per share (in shares) 28,708 17,402